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 A225255 #7 Jul 23 2025 05:22:48 %S A225255 -1,0,2,5,8,13,17,23,28,33,39,47,53,61,69,76,83,92,100,110,118,127, %T A225255 138,150,159,168,179,190,200,212,222,234,245,258,272,283,294,307,321, %U A225255 336,348,362,374,388,402,415,430,446,459,472,486,502,518,535,549,564,578,594,611 %N A225255 a(k) such that A225252 column k of T(n,k) = n*k^2 - a(k) for large n. %H A225255 R. H. Hardin, <a href="/A225255/b225255.txt">Table of n, a(n) for n = 1..369</a> %K A225255 sign %O A225255 1,3 %A A225255 _R. H. Hardin_ May 04 2013