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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.

A134095 Expansion of e.g.f. A(x) = 1/(1 - LambertW(-x)^2).

Table of values

n a(n)
0 1
1 0
2 2
3 12
4 120
5 1480
6 22320
7 396564
8 8118656
9 188185680
10 4871980800
11 139342178140
12 4363291266048
13 148470651659928
14 5455056815237120
15 215238256785814500
16 9077047768435752960
17 407449611073696325536
18 19396232794530856894464
19 976025303642559490903980

List of values

[1, 0, 2, 12, 120, 1480, 22320, 396564, 8118656, 188185680, 4871980800, 139342178140, 4363291266048, 148470651659928, 5455056815237120, 215238256785814500, 9077047768435752960, 407449611073696325536, 19396232794530856894464, 976025303642559490903980]

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

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