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.

A369484 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 12
3 57
4 301
5 1700
6 10045
7 61303
8 383335
9 2443113
10 15811317
11 103627692
12 686402602
13 4587643765
14 30900426417
15 209539509967
16 1429344492215
17 9801262309209
18 67523359213569
19 467136798336153
20 3243948604314619
21 22604271635042853
22 158001453530915361

List of values

[1, 3, 12, 57, 301, 1700, 10045, 61303, 383335, 2443113, 15811317, 103627692, 686402602, 4587643765, 30900426417, 209539509967, 1429344492215, 9801262309209, 67523359213569, 467136798336153, 3243948604314619, 22604271635042853, 158001453530915361]

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

Content is available under The OEIS End-User License Agreement.