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.

A232970 Expansion of (1-3*x)/(1-5*x+3*x^2+x^3).

Table of values

n a(n)
0 1
1 2
2 7
3 28
4 117
5 494
6 2091
7 8856
8 37513
9 158906
10 673135
11 2851444
12 12078909
13 51167078
14 216747219
15 918155952
16 3889371025
17 16475640050
18 69791931223
19 295643364940
20 1252365390981
21 5305104928862
22 22472785106427
23 95196245354568
24 403257766524697
25 1708227311453354
26 7236167012338111
27 30652895360805796

List of values

[1, 2, 7, 28, 117, 494, 2091, 8856, 37513, 158906, 673135, 2851444, 12078909, 51167078, 216747219, 918155952, 3889371025, 16475640050, 69791931223, 295643364940, 1252365390981, 5305104928862, 22472785106427, 95196245354568, 403257766524697, 1708227311453354, 7236167012338111, 30652895360805796]