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 A274522 #8 Jun 29 2016 00:22:23 %S A274522 1,4,6,10,14,24,29,35,54,107,122,150,181,207,231,439,486,1509,2929, %T A274522 4952,18857,69180,21431879,24576523,49395953,51744075,71482877, %U A274522 16614427386,23647775833 %N A274522 Index of the smaller Ulam number of record gaps (A080287). %e A274522 There is a gap of 8 between the Ulam numbers 18 and 26, this is the 4th term in A080287 and 18 is the 10th Ulam number, so a(4)=10. %Y A274522 Cf. A080287, A080288, A002858. %K A274522 nonn %O A274522 1,2 %A A274522 _Jud McCranie_, Jun 26 2016