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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.

A381263 Expansion of e.g.f. exp( -LambertW(-2 * sin(x)) / 2 ).

Table of values

n a(n)
0 1
1 1
2 5
3 48
4 709
5 14152
6 356793
7 10882648
8 389790889
9 16040853568
10 745908722477
11 38681745244032
12 2213527304014189
13 138556837227204736
14 9417928265797994145
15 690818806495197538816
16 54391227913053881634001
17 4575388875753714015748096
18 409532433006878699321370197

List of values

[1, 1, 5, 48, 709, 14152, 356793, 10882648, 389790889, 16040853568, 745908722477, 38681745244032, 2213527304014189, 138556837227204736, 9417928265797994145, 690818806495197538816, 54391227913053881634001, 4575388875753714015748096, 409532433006878699321370197]

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

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