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 A031896 #7 Nov 16 2019 03:28:50 %S A031896 787,805,841,961,1309,1441,1519,1645,1879,1945,2173,2257,2365,3199, %T A031896 3325,3955,4081,4237,4363,4399,4495,4573,4699,4819,4867,5089,5473, %U A031896 5599,5869,5977,6079,6331,6385,6937,6985,7087,7153,7279,7405,7813 %N A031896 Lucky numbers with size of gaps equal to 14 (lower terms). %H A031896 Amiram Eldar, <a href="/A031896/b031896.txt">Table of n, a(n) for n = 1..10000</a> %Y A031896 Cf. A000959, A031897. %K A031896 nonn %O A031896 1,1 %A A031896 _Patrick De Geest_