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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.

A351056 G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x/(1 - 5*x)) / (1 - 5*x).

Table of values

n a(n)
0 1
1 1
2 1
3 6
4 36
5 221
6 1431
7 10121
8 80311
9 718106
10 7111976
11 76201501
12 868288401
13 10438492181
14 132166853861
15 1763179150946
16 24776241643056
17 365971430085021
18 5662954240306111
19 91450179009971181
20 1536249848608545451
21 26782376261726525126
22 483792982362049317676

List of values

[1, 1, 1, 6, 36, 221, 1431, 10121, 80311, 718106, 7111976, 76201501, 868288401, 10438492181, 132166853861, 1763179150946, 24776241643056, 365971430085021, 5662954240306111, 91450179009971181, 1536249848608545451, 26782376261726525126, 483792982362049317676]

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

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