cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A374949 Michael Kwok's arithmetic progression of 27 primes.

This page as a plain text file.
%I A374949 #11 Aug 08 2024 03:17:51
%S A374949 605185576317848261,639847242910261121,674508909502673981,
%T A374949 709170576095086841,743832242687499701,778493909279912561,
%U A374949 813155575872325421,847817242464738281,882478909057151141,917140575649564001,951802242241976861,986463908834389721,1021125575426802581
%N A374949 Michael Kwok's arithmetic progression of 27 primes.
%C A374949 At the time of submission (July 2024), this sequence is the arithmetic progression of 27 primes having the largest known initial and final term and it was found by Michael Kwok on 10 December 2023 as part of the project PrimeGrid, running the program AP26 (this is the third known AP27 to date, see A327760 and A363980).
%H A374949 PrimeGrid forum, <a href="https://www.primegrid.com/forum_thread.php?id=7012&amp;nowrap=true#167007">Message 167007 (World's Third AP27!!!)</a>.
%F A374949 a(n+1) = 605185576317848261 + n*34661666592412860, for n = 0, 1, ..., 26.
%e A374949 a(3) = 605185576317848261 + 2*34661666592412860 is prime.
%t A374949 A374949[n_]:=605185576317848261 + (n-1)* 34661666592412860; Array[A374949, 27]
%o A374949 (PARI) vector(27, t, 605185576317848261+155368778*223092870*(t-1))
%Y A374949 Cf. A033188, A033290, A204189, A260751, A261140, A327760, A363980.
%K A374949 nonn,fini,full,easy
%O A374949 1,1
%A A374949 _Marco RipĂ _, Jul 24 2024