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 A333980 #15 Sep 05 2020 13:16:15 %S A333980 1,3,7,14,25,30,36,49,70,100,110,131,164,210,224,253,298,360,378,415, %T A333980 472,550,572,617,686,780,806,859,940,1050,1190,1361,1564,1800,2070, %U A333980 2375,2716,3094,3510,3549,3628,3748,3910,4115,4364,4658,4998,5385,5388,5440,5542,5559,5628,5750 %N A333980 Partial sums of A337490. %C A333980 See A337490 for an explanation of the sequence. %H A333980 Scott R. Shannon, <a href="/A333980/b333980.txt">Table of n, a(n) for n = 0..10000</a> %Y A333980 Cf. A337490, A165430, A064814, A082299, A005132, A336957. %K A333980 nonn %O A333980 0,2 %A A333980 _Scott R. Shannon_, Sep 04 2020