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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.

A368966 Expansion of (1/x) * Series_Reversion( x * (1-x) * (1-x-x^3)^2 ).

Table of values

n a(n)
0 1
1 3
2 15
3 93
4 644
5 4769
6 36953
7 295867
8 2428373
9 20322566
10 172759032
11 1487632887
12 12948891408
13 113748663495
14 1007117650350
15 8978151790011
16 80519598139947
17 725976573163011
18 6576546244337046
19 59829384514916820
20 546375444906314661
21 5006934930385254672

List of values

[1, 3, 15, 93, 644, 4769, 36953, 295867, 2428373, 20322566, 172759032, 1487632887, 12948891408, 113748663495, 1007117650350, 8978151790011, 80519598139947, 725976573163011, 6576546244337046, 59829384514916820, 546375444906314661, 5006934930385254672]

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

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