[seqfan] Re: Primes embedded
zakseidov at yahoo.com
Thu May 6 18:32:47 CEST 2010
As to give more aruments to Marc (and me):
%N A177247 Fibonacci numbers Fib(n) whose decimal expression does not contain any digit 6.
--- On Thu, 5/6/10, Marc LeBrun <mlb at well.com> wrote:
> From: Marc LeBrun <mlb at well.com>
> Subject: [seqfan] Re: Primes embedded
> To: "Sequence Fanatics Discussion list" <seqfan at list.seqfan.eu>
> Date: Thursday, May 6, 2010, 11:40 AM
> > a(n) > a(n-1) and a(n) is the
> smallest available composite
> > embedding the smallest not yet embedded prime:
> > p= 2 3 5 7 11 13
> 17 19 23 29 31 37
> 41 43 47 53 ...
> > Could please someone compute a hundred terms or so,
> > my definition in good English, coauthor and submit (if
> > interest)?
> Seqfans, please, can we show a little more common sense and
> Forgive me if I've not yet drunk enough coffee this morning
> to attain a
> sufficiently indulgent frame of mind, and I don't mean to
> pick on anyone
> personally, but these kinds of submissions are alarmingly
> on the increase.
> I feel compelled to suggest they seem to be the epitome of
> I've always supported a highly permissive filter for OEIS
> submissions. But
> merely playing with strings of decimal digits is decidedly
> NOT interesting.
> Nor does alluding to the "primes" contribute any interest
> whatsoever, since
> it might equally as well have been Fibonacci numbers,
> powers of 69, Seqfan's
> IP addresses, or any other arbitrarily chosen digit-pattern
> The OEIS is intended to be an encyclopedia of INTEGER
> sequences, not an
> encyclopedia of peculiar  TEXT fragments subject to
> geeky gematria .
> Spewing these kinds of sequences really feels like a very
> unkind imposition
> on everyone's time and attention (especially Neil's
> (especially now)). This
> is exacerbated by requesting others do the work of
> composition, description
> and submission.
> Worst of all, such sequences permanently dilute, if not
> pollute, the value
> of the OEIS, making it harder for users to get meaningful
> results from
> queries, and harder for programs to compute truly
> interesting relationships.
> It's like flooding the Louvre with zillions of sketchy
> kindergarten finger
> paintings. There's enough room so that submissions
> need not be anything
> near masterpieces, but surely better impulse control could
> be exercised?
> Respectfully yours,
>  Consider: interpreting the elements of OEIS sequences
> as integers is lucid. But precisely specifying them
> as text reveals such an
> alternative definition would be ludicrous. Those
> truly interested in the
> "Online Encyclopedia of <Finite Non-empty Strings
> Comprised of Either Just
> the Single Character 'Zero', or a Single Non-zero Digit
> Character Followed
> by Any Number of Digit Characters, Including None>
> Sequences" are of course
> free to create and maintain "the
> OE<FNSCEJSCZSNDCFANDCIN>S". But this isn't
> the charter of the OEIS.
>  "Gematria... a system of assigning numerical value to a
> word or phrase,
> in the belief that words or phrases with identical
> numerical values bear
> some relation to each other, or bear some relation to the
> number itself..."
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