A007666

[Jud McCranie]

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it may be worth mentioning that the theme of generalized primes
is part of the motivation for riffs & rotes (see entry in oeis).
one is given an arbitrary collection of primitive elements that
are called "primes" plus the "purely combinatorial" patterns of
composition that one sees in either the riff or rote structures.
the question arises : how much of the order of the integers can
be explained on "purely combinatorial" grounds, that is, by way
of order axioms that have a natural combinatorial justification?

ja

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Dear Friends,  

There are a lot of recent sequences with keyword "uned"
that I need help with!

Some are from the usual suspects, others from
new contributors - and of course they
are the most interesting.

Save the entry in the internal format,
edit it, and email it to me with subject line
EDITED A123456 (say)

I always handle such emails before anything else

There are now 1400 "uned"s, so please help!
Anyone can help - you don't need to be an associate editor.

Thanks

Neil




lookup A001234
lookup A001654
etc

This is very fast and gives you the sequence in the internal format
exactly as it is in my master file (it's always up to date,
more so than the web site)

Neil