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.

A371456 Expansion of 1/(1 - x/(1 - 9*x^2)^(1/3)).

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 7
5 28
6 58
7 223
8 505
9 1876
10 4498
11 16255
12 40576
13 143422
14 368965
15 1280830
16 3373225
17 11536309
18 30958240
19 104559082
20 284934754
21 952183048
22 2628211291
23 8703329266
24 24283705558
25 79785964555
26 224677646416
27 733160045533
28 2081054132179
29 6750196280983

List of values

[1, 1, 1, 4, 7, 28, 58, 223, 505, 1876, 4498, 16255, 40576, 143422, 368965, 1280830, 3373225, 11536309, 30958240, 104559082, 284934754, 952183048, 2628211291, 8703329266, 24283705558, 79785964555, 224677646416, 733160045533, 2081054132179, 6750196280983]