cp's OEIS Frontend

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.

A366097 Expansion of (1/x) * Series_Reversion( x*(1+x-x^3)/(1+x)^4 ).

Table of values

n a(n)
0 1
1 3
2 12
3 56
4 287
5 1564
6 8896
7 52217
8 313955
9 1923775
10 11970066
11 75427608
12 480365740
13 3086989128
14 19992893796
15 130363352003
16 855099212950
17 5638480905533
18 37354602517624
19 248515024509486
20 1659620048332369
21 11121368629141886
22 74759777174598964

List of values

[1, 3, 12, 56, 287, 1564, 8896, 52217, 313955, 1923775, 11970066, 75427608, 480365740, 3086989128, 19992893796, 130363352003, 855099212950, 5638480905533, 37354602517624, 248515024509486, 1659620048332369, 11121368629141886, 74759777174598964]