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 A246657 #7 Jul 27 2022 06:52:38 %S A246657 0,1,3,7,24,87,332,1320,5407,22672,96844,419910,1843386,8176962, %T A246657 36594388,165026353,749170529,3420949803,15702232962,72407225094, %U A246657 335276107549,1558289108596,7267201176311,33996105203757,159484982985619,750134031377432 %N A246657 a(n) = round(3F2([1, 3/2, 1 - n], [2, 2], -4)). %C A246657 Without rounding, the sequence were 1, 5/2, 22/3, 97/4, 436/5, 997/3, 9241/7, 43257/8,... for n>=1. - _R. J. Mathar_, Jul 27 2022 %F A246657 a(n) = A129164(n)/n for n>=1. %o A246657 (Sage) %o A246657 A246657 = lambda n: hypergeometric([1, 3/2, 1-n], [2, 2], -4) %o A246657 [round(A246657(n).n(100)) for n in (0..25)] %Y A246657 Cf. A129164. %K A246657 nonn %O A246657 0,3 %A A246657 _Peter Luschny_, Sep 16 2014