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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.

A192401 G.f. A(x) satisfies A(x) = 1 + Sum_{n>=1} A(x)^n * x^n/(1 - x^(2*n)).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 16
5 49
6 156
7 512
8 1728
9 5959
10 20886
11 74204
12 266624
13 967141
14 3536814
15 13025478
16 48266972
17 179831935
18 673258626
19 2531481990
20 9555606112
21 36196916933
22 137554950152
23 524265889839
24 2003513188296
25 7675473295796
26 29471911733772

List of values

[1, 1, 2, 6, 16, 49, 156, 512, 1728, 5959, 20886, 74204, 266624, 967141, 3536814, 13025478, 48266972, 179831935, 673258626, 2531481990, 9555606112, 36196916933, 137554950152, 524265889839, 2003513188296, 7675473295796, 29471911733772]

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

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