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 A364634 #4 Jul 30 2023 16:34:49 %S A364634 0,3,26,189,1284,8415,53934,340473,2125832,13163067,80974530, %T A364634 495513909,3019151628,18329137047,110933875542,669635727345, %U A364634 4032883785744,24239190315123,145427707041642,871139168383917,5210876275948820,31129900498786383,185755111545655806 %N A364634 a(n) = n * LegendreP(n, 3). %F A364634 a(n) = A364361(2*n, n). %p A364634 A364634 := n -> n*LegendreP(n, 3): %p A364634 seq(A364634(n), n = 0..22); %Y A364634 Cf. A364361. %K A364634 nonn %O A364634 0,2 %A A364634 _Peter Luschny_, Jul 30 2023