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 A285222 #11 Nov 19 2017 17:22:17 %S A285222 2,3,4,7,12,39,49,56,76,91,216,221,235,272,277,331,345,362,385,655, %T A285222 686,749,1023,1591,1742,1825,1836,1911,2179,2511,2638,2951,3004,3327, %U A285222 3692,4743,4868,5546,5658,5997,6032,7867,8261,8620,8811,13762,13950,14150 %N A285222 Indices of primes in A022629. %H A285222 Vaclav Kotesovec, <a href="/A285222/b285222.txt">Table of n, a(n) for n = 1..245</a> %e A285222 12 is in the sequence because A022629(12) = 463 is prime. %Y A285222 Cf. A022629, A035359. %K A285222 nonn %O A285222 1,1 %A A285222 _Vaclav Kotesovec_, Apr 14 2017