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.

A369485 Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * (1+x+x^3)^2) ).

Table of values

n a(n)
0 1
1 4
2 22
3 142
4 1007
5 7590
6 59683
7 484112
8 4021061
9 34029532
10 292373296
11 2543542676
12 22360917140
13 198341377680
14 1772860026933
15 15952960500612
16 144397901220980
17 1313835276189792
18 12009823111155481
19 110240431974732436
20 1015727265740887873

List of values

[1, 4, 22, 142, 1007, 7590, 59683, 484112, 4021061, 34029532, 292373296, 2543542676, 22360917140, 198341377680, 1772860026933, 15952960500612, 144397901220980, 1313835276189792, 12009823111155481, 110240431974732436, 1015727265740887873]

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

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