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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.

A351811 G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - 5*x)) / (1 - 5*x)^2.

Table of values

n a(n)
0 1
1 1
2 11
3 101
4 971
5 10621
6 133251
7 1872261
8 28840251
9 481539021
10 8658919571
11 166768522101
12 3421884596011
13 74443313899901
14 1710104876681571
15 41338914172638021
16 1048412294411955451
17 27821558652073329261
18 770663280948805164051
19 22235353608667471453621

List of values

[1, 1, 11, 101, 971, 10621, 133251, 1872261, 28840251, 481539021, 8658919571, 166768522101, 3421884596011, 74443313899901, 1710104876681571, 41338914172638021, 1048412294411955451, 27821558652073329261, 770663280948805164051, 22235353608667471453621]

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

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