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 A246780 #8 Oct 01 2014 16:07:23 %S A246780 2,3,4,6,8,9,11,12,13,14,15,16,17,18,19,21,22,23,24,25,26,27,28,29,30, %T A246780 31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53, %U A246780 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70 %N A246780 Strictly increasing terms of the sequence A246778: a(1)= A246778(1) and for n>0 a(n+1) is next term greater than a(n) after that a(n) appears in A246778 for the first time. %C A246780 I conjecture that, a(n)=n+5 for all n, n>15. %Y A246780 A000040, A246776, A246777, A246778, A246779. %K A246780 nonn %O A246780 1,1 %A A246780 _Farideh Firoozbakht_, Sep 29 2014