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 A079029 #10 Apr 03 2020 07:54:27
%S A079029 5,11,47,71,167,191,383,311,647,887,719,1487,1151,1847,3023,2711,2399,
%T A079029 3863,3719,5471,2999,4391,3911,6311,5519,5879,13799,8231,5711,8039,
%U A079029 19463,12671,15287,9239,17783,22727,25847,40039,15671,14159,17519,14759,22271,26591
%N A079029 Least k such that the class number of quadratic order of discriminant D=-4k equals p, where p runs through the primes.
%o A079029 (PARI) a(n) = {my(k=1, p=prime(n)); while(abs(p-qfbclassno(-4*k))>0,k++); k; }
%Y A079029 Cf. A000003.
%K A079029 nonn
%O A079029 1,1
%A A079029 _Benoit Cloitre_, Feb 01 2003
%E A079029 More terms from _Jinyuan Wang_, Apr 03 2020