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.
%I A337488 #12 Aug 01 2025 08:57:06
%S A337488 2,4,10,30,99,190,217,1183,1831,2225,2810,3385,14358,30802,31545,
%T A337488 40933,103520,104071,104072,118506,149689,325853,1094421,1094422,
%U A337488 1319945,2850174,2850175,6957876,10539433,10655462,20684332,22749705,23163299,33772762,64955634,64955635
%N A337488 a(n) is the index k of prime(k), such that abs(prime(k) - Sum_{j=k-1..k+1} prime(j)/3) sets a new record.
%C A337488 A337489 are the corresponding primes.
%e A337488 See A337489.
%o A337488 (PARI) \\ See A337489, replace p3 by primepi(p3) in call of print1.
%Y A337488 Cf. A337438, A337439, A337489.
%K A337488 nonn
%O A337488 1,1
%A A337488 _Hugo Pfoertner_, Aug 29 2020
%E A337488 Name edited by _Peter Munn_, Aug 01 2025