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.

A350267 a(n) = n*hypergeom([1, 1 - n, -n], [2], 1).

Table of values

n a(n)
0 0
1 1
2 4
3 18
4 100
5 675
6 5376
7 49294
8 510728
9 5894109
10 74915740
11 1039180186
12 15613569324
13 252501251743
14 4371586879128
15 80652138666870
16 1579212732426256
17 32701859350855769
18 713914404925713588
19 16384896394304282722
20 394340620941231415540
21 9929838681717090607611

List of values

[0, 1, 4, 18, 100, 675, 5376, 49294, 510728, 5894109, 74915740, 1039180186, 15613569324, 252501251743, 4371586879128, 80652138666870, 1579212732426256, 32701859350855769, 713914404925713588, 16384896394304282722, 394340620941231415540, 9929838681717090607611]

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

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