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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.

A275765 G.f. satisfies: A(x - A(x)^2) = x + A(x)^2.

Table of values

n a(n)
1 1
2 2
3 12
4 106
5 1148
6 14156
7 191400
8 2775930
9 42585412
10 684496988
11 11449962008
12 198331811356
13 3543990791480
14 65136985937096
15 1228531761076208
16 23733123786608826
17 468887742020767788
18 9461919438245032500
19 194817077269127033944
20 4089069139317823277548
21 87426000975842460304792
22 1902787414323673070857528
23 42133267254272433484761584
24 948695717599714654940068604
25 21712101305047777916075831096
26 504865916349551192319293625016

List of values

[1, 2, 12, 106, 1148, 14156, 191400, 2775930, 42585412, 684496988, 11449962008, 198331811356, 3543990791480, 65136985937096, 1228531761076208, 23733123786608826, 468887742020767788, 9461919438245032500, 194817077269127033944, 4089069139317823277548, 87426000975842460304792, 1902787414323673070857528, 42133267254272433484761584, 948695717599714654940068604, 21712101305047777916075831096, 504865916349551192319293625016]

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

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