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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.

A366090 Expansion of (1/x) * Series_Reversion( x*(1-x)^4/(1-x-x^4) ).

Table of values

n a(n)
0 1
1 3
2 15
3 91
4 611
5 4370
6 32637
7 251550
8 1985895
9 15976676
10 130508070
11 1079562159
12 9024791689
13 76124252326
14 647089873598
15 5537663661590
16 47670889706375
17 412524981860848
18 3586502483999720
19 31311765471265548
20 274398528604427286

List of values

[1, 3, 15, 91, 611, 4370, 32637, 251550, 1985895, 15976676, 130508070, 1079562159, 9024791689, 76124252326, 647089873598, 5537663661590, 47670889706375, 412524981860848, 3586502483999720, 31311765471265548, 274398528604427286]

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

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