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 A338286 #10 Nov 06 2020 07:51:12 %S A338286 2,2,2,4,6,8,14,20,28,44,68,98,148,224,332,500,754,1122,1682,2530, %T A338286 3786,5674,8514,12752,19112,28668,42962,64386,96538,144702,216888, %U A338286 325150,487386,730548,1095140,1641616,2460710,3688646,5529280,8288266,12424144,18623788 %N A338286 a(n) = A338268(k^2 + 2*n, k) for sufficiently large k. %C A338286 Here, "sufficiently large k" means k >= 1 + sqrt((1 + sqrt(1 + 8 * n))/2). %H A338286 Peter Kagey, <a href="/A338286/b338286.txt">Table of n, a(n) for n = 0..250</a> %Y A338286 Cf. A338268. %K A338286 nonn %O A338286 0,1 %A A338286 _Peter Kagey_, Oct 20 2020