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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.

A353041 G.f. A(x) satisfies: A(x) = 1 + x * A(3*x/(1 + 2*x)) / (1 - x).

Table of values

n a(n)
0 1
1 1
2 4
3 34
4 820
5 62140
6 14651728
7 10547347384
8 22950318347248
9 150277943334242320
10 2955664382713520203072
11 174478760893191691170298912
12 30905073486465684713191125079360
13 16423574117627547687292156418920831936
14 26184104208316120602662312616366633316565248

List of values

[1, 1, 4, 34, 820, 62140, 14651728, 10547347384, 22950318347248, 150277943334242320, 2955664382713520203072, 174478760893191691170298912, 30905073486465684713191125079360, 16423574117627547687292156418920831936, 26184104208316120602662312616366633316565248]

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

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