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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.

A381261 Expansion of e.g.f. exp( -LambertW(-2 * x * cos(x)) / 2 ).

Table of values

n a(n)
0 1
1 1
2 5
3 46
4 669
5 13176
6 328153
7 9889328
8 349998169
9 14232282112
10 653960139021
11 33511444515968
12 1894938691013173
13 117209395966704640
14 7872535432641217185
15 570622024676568564736
16 44395462114163659522353
17 3690312836780077587120128
18 326399124496126009678138261

List of values

[1, 1, 5, 46, 669, 13176, 328153, 9889328, 349998169, 14232282112, 653960139021, 33511444515968, 1894938691013173, 117209395966704640, 7872535432641217185, 570622024676568564736, 44395462114163659522353, 3690312836780077587120128, 326399124496126009678138261]

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

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