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 A025053 #9 Aug 05 2019 02:06:05 %S A025053 1,2,3,6,8,12,13,16,22,23,29,33,34,38,44,49,51,57,60,62,67,71,77,85, %T A025053 89,90,94,96,100,114,117,123,125,135,137,143,149,153,159,165,167,176, %U A025053 178,182,184,195,207,211,213,217,223,225,235,241,247,253,255,261,265,267,277,291,295,297 %N A025053 Positions of primes in sequence A025051 (numbers of form j*k + k*i + i*j, without repetitions, where 1 <=i <= j <= k). %Y A025053 Cf. A025051. %K A025053 nonn %O A025053 1,2 %A A025053 _Clark Kimberling_ %E A025053 a(34) onward corrected and more terms from _Sean A. Irvine_, Aug 05 2019