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.

A108475 Expansion of (1-3*x) / (1-5*x-5*x^2+x^3).

Table of values

n a(n)
0 1
1 2
2 15
3 84
4 493
5 2870
6 16731
7 97512
8 568345
9 3312554
10 19306983
11 112529340
12 655869061
13 3822685022
14 22280241075
15 129858761424
16 756872327473
17 4411375203410
18 25711378892991
19 149856898154532
20 873430010034205
21 5090723162050694
22 29670908962269963

List of values

[1, 2, 15, 84, 493, 2870, 16731, 97512, 568345, 3312554, 19306983, 112529340, 655869061, 3822685022, 22280241075, 129858761424, 756872327473, 4411375203410, 25711378892991, 149856898154532, 873430010034205, 5090723162050694, 29670908962269963]