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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.

A366089 Expansion of (1/x) * Series_Reversion( x*(1-x)^3/(1-x-x^4) ).

Table of values

n a(n)
0 1
1 2
2 7
3 30
4 142
5 715
6 3756
7 20349
8 112864
9 637659
10 3656775
11 21229923
12 124531256
13 736920158
14 4393859967
15 26371222935
16 159193382812
17 965923527255
18 5887659026592
19 36034716884127
20 221362690616841
21 1364404640452602
22 8435444693847402

List of values

[1, 2, 7, 30, 142, 715, 3756, 20349, 112864, 637659, 3656775, 21229923, 124531256, 736920158, 4393859967, 26371222935, 159193382812, 965923527255, 5887659026592, 36034716884127, 221362690616841, 1364404640452602, 8435444693847402]

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

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