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.

A358388 a(n) = hypergeom([n, -n, 1/2], [1, 1], -8).

Table of values

n a(n)
0 1
1 5
2 89
3 2069
4 53505
5 1467765
6 41817305
7 1223277221
8 36488826881
9 1104851215205
10 33853917808089
11 1047387818876085
12 32664869254856961
13 1025606670801743061
14 32387641973278794585
15 1027864812983545977669
16 32762392278424747311105
17 1048268251830512324353221

List of values

[1, 5, 89, 2069, 53505, 1467765, 41817305, 1223277221, 36488826881, 1104851215205, 33853917808089, 1047387818876085, 32664869254856961, 1025606670801743061, 32387641973278794585, 1027864812983545977669, 32762392278424747311105, 1048268251830512324353221]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.