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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.

A385286 a(n) = (n!)^2 [x^n] hypergeom([], [1], x)^8.

Table of values

n a(n)
0 1
1 8
2 120
3 2528
4 66424
5 2039808
6 70283424
7 2643158400
8 106391894904
9 4518833256512
10 200396211454720
11 9205443151733760
12 435368682010660000
13 21100379936684418560
14 1044115187294444772480
15 52597451834668445910528
16 2691037806733052553149304
17 139567074682665782246950080

List of values

[1, 8, 120, 2528, 66424, 2039808, 70283424, 2643158400, 106391894904, 4518833256512, 200396211454720, 9205443151733760, 435368682010660000, 21100379936684418560, 1044115187294444772480, 52597451834668445910528, 2691037806733052553149304, 139567074682665782246950080]

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

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