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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.

A321965 a(n) = n! [x^n] exp((1/(x - 1)^2 - 1)/2)/(1 - x).

Table of values

n a(n)
0 1
1 2
2 8
3 46
4 338
5 2996
6 30952
7 364148
8 4797116
9 69854968
10 1113018176
11 19244304872
12 358608737368
13 7160626365296
14 152458303437728
15 3446434090192816
16 82412163484132112
17 2077739630757428768
18 55068742629150564736
19 1530394053934299827168
20 44490672191650220419616

List of values

[1, 2, 8, 46, 338, 2996, 30952, 364148, 4797116, 69854968, 1113018176, 19244304872, 358608737368, 7160626365296, 152458303437728, 3446434090192816, 82412163484132112, 2077739630757428768, 55068742629150564736, 1530394053934299827168, 44490672191650220419616]

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

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