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 A320720 #4 Oct 22 2018 14:01:29
%S A320720 1831,3861,4009,7499,8937,10328,10427,11725,12904,12926,13011,13051,
%T A320720 16596,16915,18280,20055,20160,20352,20619,21458,21465,21550,21659,
%U A320720 23752,23934,24107,24384,24445,24651,24871,24933,24992,25027,26089,26166,26483,26923,27038,27048,28898,29343
%N A320720 Indices of primes followed by a gap (distance to next larger prime) of 44.
%C A320720 Indices of the primes listed in A134121.
%H A320720 <a href="/index/Pri#gaps">Index entries for primes, gaps between</a>.
%F A320720 a(n) = A000720(A134121(n)).
%o A320720 (PARI) A(N=100,g=44,p=2,i=primepi(p)-1,L=List())={forprime(q=1+p,,i++; if(p+g==p=q, listput(L,i); N--||break));Vec(L)} \\ returns the list of first N terms of the sequence
%Y A320720 Cf. A029707, A029709 (analog for gaps 2 and 4), A320701, A320702, ... A320719 (analog for gaps 6, 8, 10, ..., 42), A116493 (gap 70), A116496 (gap 100), A116497 (gap 200), A116495 (gap 210).
%Y A320720 Equals A000720 o A134121.
%Y A320720 Indices of 44's in A001223.
%Y A320720 Row 22 of A174349.
%K A320720 nonn
%O A320720 1,1
%A A320720 _M. F. Hasler_, Oct 19 2018