cp's OEIS Frontend

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.

A352471 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2*k+1)^3 * a(n-2*k-1).

Table of values

n a(n)
0 1
1 1
2 8
3 217
4 13952
5 1752001
6 380168432
7 130996038265
8 67377689108480
9 49343690620021249
10 49570079811804165008
11 66280482720537078211945
12 115058150837606807142692096
13 253942526419333142443328522689
14 700015299612132412448976873339008

List of values

[1, 1, 8, 217, 13952, 1752001, 380168432, 130996038265, 67377689108480, 49343690620021249, 49570079811804165008, 66280482720537078211945, 115058150837606807142692096, 253942526419333142443328522689, 700015299612132412448976873339008]