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 A025061 #9 Sep 07 2016 03:53:34 %S A025061 1,3,4,6,9,10,17,18,21,26,30,31,37,40,41,46,50,54,61,65,66,69,71,74, %T A025061 87,90,95,97,107,109,115,121,124,129,134,136,145,147,151,153,164,176, %U A025061 180,182,185,191,192,202,207,213,219,221,226,229,231,241,255,259,260,264,277,283,292,294 %N A025061 Positions of primes in A025060 (numbers of form j*k + k*i + i*j, where 1 <=i < j < k). %K A025061 nonn %O A025061 1,2 %A A025061 _Clark Kimberling_ %E A025061 More terms and a(29)-a(48) corrected by _Gionata Neri_, Sep 06 2016