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 A244367 #23 Jan 19 2022 18:36:26 %S A244367 1,2,4,6,6,8,9,12,12,15,15,16,18,20,20,24,24,25,28,28,30,30,32,35,35, %T A244367 36,40,40,42,42,45,45,48,48,49,50,54,54,56,56,60,60,63,63,64,66,66,70, %U A244367 70,72,72,72,77,77,80,80,81,84,84,88,88,90,90,91,91 %N A244367 Main diagonal of A244580. %C A244367 a(n) is the number associated to the n-th cell of the main diagonal in the diagram of the symmetry of sigma. For more information see A237593 and A237270. %C A244367 Records give A071562. %C A244367 First differences are A259179. - _Omar E. Pol_, Apr 21 2020 %H A244367 Rémy Sigrist, <a href="/A244367/b244367.txt">Table of n, a(n) for n = 1..10000</a> %H A244367 Rémy Sigrist, <a href="/A244367/a244367.gp.txt">PARI program for A244367</a> %o A244367 (PARI) See Links section. %Y A244367 Cf. A000203, A071562, A196020, A236104, A237270, A237271, A237593, A240542, A259179. %K A244367 nonn %O A244367 1,2 %A A244367 _Omar E. Pol_, Jul 05 2014