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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.

A254633 a(n) = 16^n*[x^n]hypergeometric([3/2, -2*n], [3], -x).

Table of values

n a(n)
0 1
1 16
2 480
3 17920
4 752640
5 34062336
6 1623638016
7 80408739840
8 4100845731840
9 214072431738880
10 11388653368508416
11 615465127495335936
12 33704042696173158400
13 1866685441634205696000
14 104401050057113075712000
15 5889038054986331298201600
16 334693662791723162114457600

List of values

[1, 16, 480, 17920, 752640, 34062336, 1623638016, 80408739840, 4100845731840, 214072431738880, 11388653368508416, 615465127495335936, 33704042696173158400, 1866685441634205696000, 104401050057113075712000, 5889038054986331298201600, 334693662791723162114457600]

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

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