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 A322653 #6 Feb 16 2025 08:33:57 %S A322653 0,1,9,10,30,39,40,70,100,109,110,135,205,231,235,244,245,364,366,436, %T A322653 466,475,476,540,595,730,765,800,830,839,840,904,1045,1135,1270,1305, %U A322653 1340,1370,1379,1380,1386,1669,1794,1810,1900,2035,2105,2135,2144,2145,2275,2350,2431,2714 %N A322653 Numbers that are sums of consecutive octagonal pyramidal numbers (A002414). %H A322653 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PyramidalNumber.html">Pyramidal Number</a> %Y A322653 Cf. A002414, A002419, A320728, A321450, A322468, A322479, A322637, A322651, A322652. %K A322653 nonn %O A322653 1,3 %A A322653 _Ilya Gutkovskiy_, Dec 21 2018