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 A337438 #14 Aug 02 2025 12:01:11
%S A337438 3,4,8,15,25,29,30,46,154,190,206,217,1183,1410,1664,1832,2225,2810,
%T A337438 3385,14358,30802,31545,40933,104071,104072,118506,149689,325853,
%U A337438 1094422,1319945,2850174,2850175,6957876,10539433,22749705,23163299,72507381,182837804,415271758,486570087
%N A337438 a(n) is the index k of prime(k), such that abs(prime(k) - Sum_{j=k-2..k+2} prime(j)/5) sets a new record.
%C A337438 A337439 are the corresponding primes.
%e A337438 See A337489.
%o A337438 (PARI) \\ See A337439, replace p4 by primepi(p4) in call of print1.
%Y A337438 Cf. A034964, A337439, A337488, A337489.
%K A337438 nonn
%O A337438 1,1
%A A337438 _Hugo Pfoertner_, Aug 29 2020
%E A337438 Name edited by _Peter Munn_, Aug 01 2025