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.

A375810 Expansion of e.g.f. 1/(1 - (exp(x^2) - 1)/x)^2.

Table of values

n a(n)
0 1
1 2
2 6
3 30
4 192
5 1480
6 13500
7 141540
8 1676640
9 22141728
10 322388640
11 5130084960
12 88561408320
13 1648294876800
14 32898981155040
15 700940855815200
16 15877318955097600
17 380996919471168000
18 9654670629548904960
19 257627854786123261440
20 7220676423560766566400

List of values

[1, 2, 6, 30, 192, 1480, 13500, 141540, 1676640, 22141728, 322388640, 5130084960, 88561408320, 1648294876800, 32898981155040, 700940855815200, 15877318955097600, 380996919471168000, 9654670629548904960, 257627854786123261440, 7220676423560766566400]

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

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