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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.

A274657 Numerators of the coefficients of z^n/n! for the expansion of hypergeometric([1/2,1/2],[1];z).

Table of values

n a(n)
0 1
1 1
2 9
3 75
4 3675
5 59535
6 2401245
7 57972915
8 13043905875
9 418854310875
10 30241281245175
11 1212400457192925
12 213786613951685775
13 10278202593831046875
14 1070401384414690453125
15 60013837619516978071875
16 57673297952355815927071875
17 3694483615889146090857721875

List of values

[1, 1, 9, 75, 3675, 59535, 2401245, 57972915, 13043905875, 418854310875, 30241281245175, 1212400457192925, 213786613951685775, 10278202593831046875, 1070401384414690453125, 60013837619516978071875, 57673297952355815927071875, 3694483615889146090857721875]

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

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