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 A075353 #9 Jul 11 2014 11:49:43 %S A075353 1,2,3,5,7,10,13,17,21,26,31,37,43,49,56,63,71,79,88,97,107,117,128, %T A075353 139,151,163,175,188,201,215,229,244,259,275,291,308,325,343,361,380, %U A075353 399,418,438,458,479,500,522,544,567,590,614,638,663,688,714,740,767,794 %N A075353 Initial term of n-th group in A075352. %F A075353 a(n) = A075354(n-1)+1 = a(n-1)+A075355(n-1). - _M. F. Hasler_, Jul 19 2012 %Y A075353 Cf. A075352, A075354, A075355, A075356. %K A075353 nonn %O A075353 1,2 %A A075353 _Amarnath Murthy_, Sep 19 2002 %E A075353 More terms from _David Wasserman_, Jan 16 2005