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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.

A366095 Expansion of (1/x) * Series_Reversion( x*(1+x-x^3)/(1+x)^2 ).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 5
5 11
6 25
7 63
8 162
9 415
10 1085
11 2896
12 7795
13 21127
14 57785
15 159253
16 441351
17 1229506
18 3442150
19 9678358
20 27315923
21 77364683
22 219815829
23 626375327
24 1789627564
25 5125729137
26 14714078483
27 42327358520
28 121998755959
29 352272227623
30 1018915014521

List of values

[1, 1, 1, 2, 5, 11, 25, 63, 162, 415, 1085, 2896, 7795, 21127, 57785, 159253, 441351, 1229506, 3442150, 9678358, 27315923, 77364683, 219815829, 626375327, 1789627564, 5125729137, 14714078483, 42327358520, 121998755959, 352272227623, 1018915014521]

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

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