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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.

A276912 E.g.f.: A(x) satisfies: Series_Reversion( log(A(x)) * A(x) ) = log(A(x)) / A(x).

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 13
5 116
6 661
7 8632
8 70617
9 1247248
10 13329001
11 285675776
12 3782734693
13 107823153088
14 1685127882621
15 28683829833856
16 574020572798641
17 133507199865641216
18 2477747434090344913
19 -832289494713919714304
20 -16453576647394853560899
21 11260772482520581109810176
22 246622016098219255086463333
23 -219530418791080092679815129088
24 -5247252347909156791432867741559
25 6177525915951437030555334153342976
26 160073955175697692672876432040185401

List of values

[1, 1, 1, 4, 13, 116, 661, 8632, 70617, 1247248, 13329001, 285675776, 3782734693, 107823153088, 1685127882621, 28683829833856, 574020572798641, 133507199865641216, 2477747434090344913, -832289494713919714304, -16453576647394853560899, 11260772482520581109810176, 246622016098219255086463333, -219530418791080092679815129088, -5247252347909156791432867741559, 6177525915951437030555334153342976, 160073955175697692672876432040185401]

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