[seqfan] Re: On some constellatijns of primes

[Neil Sloane]

Juri, I think both 4) and 5) should be submitted.
Neil

On Sat, Oct 20, 2012 at 5:30 AM, юрий герасимов <2stepan at rambler.ru> wrote:

>
>
> Dear SeqFans,
> If 1) A005386 are Safe primes p such that A064800(p -1) = A064800(p) where
> A064800(n) is n plus number of its prime-factors, 2) A201147 are primes p
> such that A064800(p - 2) = A064800(p -1) = A064800(p), 3) A201220 are
> primes p such that A064800(p - 3) = A064800(p - 2) = A064800(p -1) =
> A064800(p), then 4) primes p such that A064800(p) < A064800(p + 1) <
> A064800(p + 2) are  2, 13, 37, 43, 61, 73, 97, 157, 163, 173, 193, 229,
> 241, 277, 283, 313, 331, 349, 373, 397, 421, 433, 457, 523, 541, 547, 601,
> 613, 619, 661, 673, 691, 709, 727, 733, 757, 823, 853, 877, 907, 997,..(I
> can't find the sequence in the OEIS), 5) noncomposite numbers k such that
> A064800(k) < A064800(k + 1) < A064800(k + 2) < A064800(k + 3) are  1, 13,
> 37, 61, 73, 97, 157, 173, 193, 229, 277, 283, 349, 373, 397, 421, 433, 457,
> 541, 547, 601, 613, 661, 709, 733, 757, 853, 877, 907, 997,...(I can't find
> the sequence in the OEIS). Which sequence (4 or 5) will be useful to
> publish in the OEIS ? Regards, JSG
>
> ______________________________**_________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
>



-- 
Dear Friends, I have now retired from AT&T. New coordinates:

Neil J. A. Sloane, President, OEIS Foundation
11 South Adelaide Avenue, Highland Park, NJ 08904, USA
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com