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.

A383603 Expansion of 1/( (1-x)^2 * (1-x-9*x^2) )^(1/3).

Table of values

n a(n)
0 1
1 1
2 4
3 7
4 28
5 67
6 250
7 703
8 2497
9 7648
10 26488
11 85036
12 291337
13 960769
14 3280486
15 10993165
16 37541611
17 127077160
18 434707756
19 1481346064
20 5078811037
21 17388735001
22 59756049838
23 205310507773
24 707095964617
25 2436104710774
26 8406778618336
27 29027513057326

List of values

[1, 1, 4, 7, 28, 67, 250, 703, 2497, 7648, 26488, 85036, 291337, 960769, 3280486, 10993165, 37541611, 127077160, 434707756, 1481346064, 5078811037, 17388735001, 59756049838, 205310507773, 707095964617, 2436104710774, 8406778618336, 29027513057326]