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 A169782 #5 Mar 31 2017 20:34:17 %S A169782 1,1,3,4,1,3,5,7,8,1,3,5,9,10,12,13,1,3,5,9,11,13,16,19,20,1,3,5,9,11, %T A169782 15,20,24,25,27,28,1,3,5,9,11,15,21,27,28,30,33,36,37,1,3,5,9,11,15, %U A169782 21,29,30,32,35,40,43,46,47,1,3,5,9,11,15,21,29,31,33,36,41,46,49,54,58,59,1 %N A169782 Take the triangle in A170906 and replace each row with its partial sums. %C A169782 Row n has 2n-1 terms. %H A169782 N. J. A. Sloane, <a href="/A169782/b169782.txt">Table of n, a(n) for n = 1..16384</a> (Rows 1..128, flattened) %e A169782 Triangle begins: %e A169782 . 1, %e A169782 . 1,3,4, %e A169782 . 1,3,5,7,8, %e A169782 . 1,3,5,9,10,12,13, %e A169782 . 1,3,5,9,11,13,16,19,20, %e A169782 . 1,3,5,9,11,15,20,24,25,27,28, %e A169782 . 1,3,5,9,11,15,21,27,28,30,33,36,37, %e A169782 . 1,3,5,9,11,15,21,29,30,32,35,40,43,46,47, %e A169782 . 1,3,5,9,11,15,21,29,31,33,36,41,46,49,54,58,59, %e A169782 . ... %K A169782 nonn,tabf %O A169782 1,3 %A A169782 _N. J. A. Sloane_, May 11 2010