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.

A299506 a(n) = hypergeom([-n, n - 1/2], [1], -4).

Table of values

n a(n)
0 1
1 3
2 43
3 661
4 10515
5 171097
6 2828101
7 47284251
8 797456947
9 13540982665
10 231188344401
11 3964874384863
12 68252711769373
13 1178662654873191
14 20409993947488075
15 354260920943874245
16 6161735337225790035
17 107368528677807960185
18 1873946997372948997345
19 32754419073618998202975

List of values

[1, 3, 43, 661, 10515, 171097, 2828101, 47284251, 797456947, 13540982665, 231188344401, 3964874384863, 68252711769373, 1178662654873191, 20409993947488075, 354260920943874245, 6161735337225790035, 107368528677807960185, 1873946997372948997345, 32754419073618998202975]

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

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