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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.

A323619 Expansion of e.g.f. 1 - LambertW(-log(1+x))*(2 + LambertW(-log(1+x)))/2.

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 3
5 44
6 260
7 3534
8 40796
9 658440
10 11066184
11 220005840
12 4750650432
13 114430365048
14 2993377996440
15 85208541290040
16 2611784941760640
17 85941161628865344
18 3018822193183216320
19 112805065528683216192
20 4467115744449046110720
21 186900232401341222964480
22 8237944325702047624948224

List of values

[1, 1, 0, 2, 3, 44, 260, 3534, 40796, 658440, 11066184, 220005840, 4750650432, 114430365048, 2993377996440, 85208541290040, 2611784941760640, 85941161628865344, 3018822193183216320, 112805065528683216192, 4467115744449046110720, 186900232401341222964480, 8237944325702047624948224]

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

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