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 A255508 #4 Mar 26 2015 11:35:54 %S A255508 1,3,6,7,10,15,21,28,36,37,40,45,55,66,78,91,105,120,121,124,129,136, %T A255508 153,171,190,210,231,253,276,300,301,304,309,316,325,351,378,406,435, %U A255508 465,496,528,561,595,630,631,634,639,646,655,666,703,741,780,820,861 %N A255508 Partial sums of A255437. %H A255508 Reinhard Zumkeller, <a href="/A255508/b255508.txt">Table of n, a(n) for n = 1..10000</a> %o A255508 (Haskell) %o A255508 a255508 n = a255508_list !! (n-1) %o A255508 a255508_list = scanl1 (+) a255437_list %Y A255508 Cf. A255437, A255879. %K A255508 nonn %O A255508 1,2 %A A255508 _Reinhard Zumkeller_, Mar 23 2015