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 A247488 #9 Sep 18 2014 06:55:57 %S A247488 1,1,1,1,5,2,5,3,1,11,20,3,41,25,6,1,29,66,50,4,125,287,75,10,1,365, %T A247488 232,231,100,5,131,1125,1148,175,15,1,1409,3650,1044,616,175,6,3301, %U A247488 1441,5625,3444,350,21,1,155,16908,20075,3480,1386,280,7 %N A247488 Triangle read by rows: T(n,k) = abs(C(n-k, k)*hypergeom([k-n/2, k-n/2+1/2], [1], -4)). %e A247488 1 %e A247488 1 %e A247488 1, 1 %e A247488 5, 2 %e A247488 5, 3, 1 %e A247488 11, 20, 3 %e A247488 41, 25, 6, 1 %e A247488 29, 66, 50, 4 %e A247488 125, 287, 75, 10, 1 %e A247488 365, 232, 231, 100, 5 %e A247488 131, 1125, 1148, 175, 15, 1 %e A247488 1409, 3650, 1044, 616, 175, 6 %p A247488 A247488 := (n, k) -> abs(binomial(n-k, k)*hypergeom([k-n/2, k-n/2+1/2], [1], -4)): seq(print(seq(round(evalf(A247488(n,k))), k=0..iquo(n,2))), n =0..19); %Y A247488 Cf. A132885. %K A247488 nonn,tabf %O A247488 0,5 %A A247488 _Peter Luschny_, Sep 18 2014