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 A067122 #3 Dec 05 2013 19:55:08 %S A067122 1,3,15,84,543,37719,2771247,212173614,16764334957,1357911131517, %T A067122 112224060455966,9429938413313834,803497710956918416, %U A067122 69281180179448577716,6035160584520853881123,530434035748903173145597 %N A067122 Floor[X/Y] where X = concatenation of first n odd numbers in increasing order (A019519) and Y = their sum (A000290 = n^2). %e A067122 a(4) = floor[1357/16] = floor[84.8125] =84. %Y A067122 Cf. A067112-A067121, A072723. %K A067122 base,nonn %O A067122 1,2 %A A067122 _Amarnath Murthy_, Jan 08 2002 %E A067122 More terms from _Henry Bottomley_, Jul 07 2002