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 A167788 #25 Sep 08 2022 08:45:48
%S A167788 10,15,1891,3403,10153,13861,20503,27261,56953,77815,87571,89253,
%T A167788 99681,121771,144991,218791,224785,354061,392941,606651,693253,761995,
%U A167788 765703,802011,874503,1017451,1038961,1091503,1269621,1348903,1428895,1468041
%N A167788 Triangular numbers which are sums of three consecutive primes.
%C A167788 Intersection of A000217 (Triangular numbers) and A034961 (Sums of three consecutive primes).
%H A167788 Chai Wah Wu, <a href="/A167788/b167788.txt">Table of n, a(n) for n = 1..10000</a> (n = 1..1390 from Donovan Johnson)
%F A167788 a(n) = A000217(A226145(n)). - _Michel Marcus_, Feb 12 2018
%t A167788 Select[Table[Prime[n]+Prime[n+1]+Prime[n+2],{n,8!}],IntegerQ[Sqrt[1+8# ]]&] (* _Vladimir Joseph Stephan Orlovsky_, Feb 18 2010 *)
%o A167788 (Magma) [ t: n in [1..40000] | IsSquare(8*t+1) where t is &+[NthPrime(n+s): s in [0,1,2]] ]; // _Bruno Berselli_, Apr 28 2011
%Y A167788 Cf. A000217, A034961.
%Y A167788 Cf. A226145 (corresponding indices), A226148 (the smallest of the 3 consecutive primes).
%K A167788 nonn
%O A167788 1,1
%A A167788 _Zak Seidov_, Nov 12 2009