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.

A299864 a(n) = (-1)^n*hypergeom([-n, n - 1/2], [1], 4).

Table of values

n a(n)
0 1
1 1
2 19
3 239
4 3011
5 38435
6 496365
7 6470385
8 84975315
9 1122708899
10 14906800361
11 198740733581
12 2658870294349
13 35677678567549
14 479965685669059
15 6471364940381007
16 87425255326277907
17 1183139999323074963
18 16036589185819644633
19 217668383345249016045

List of values

[1, 1, 19, 239, 3011, 38435, 496365, 6470385, 84975315, 1122708899, 14906800361, 198740733581, 2658870294349, 35677678567549, 479965685669059, 6471364940381007, 87425255326277907, 1183139999323074963, 16036589185819644633, 217668383345249016045]

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

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