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.

A206625 Expansion of x * (1 + x) * (1 - x^2) * (1 + x^3) / (1 - 2*x^2 - 2*x^4 - 2*x^6 + x^8) in powers of x.

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 2
5 5
6 5
7 13
8 16
9 37
10 45
11 109
12 130
13 313
14 377
15 905
16 1088
17 2617
18 3145
19 7561
20 9090
21 21853
22 26269
23 63157
24 75920
25 182525
26 219413
27 527509
28 634114
29 1524529
30 1832625
31 4405969
32 5296384
33 12733489
34 15306833
35 36800465
36 44237570
37 106355317

List of values

[0, 1, 1, 1, 2, 5, 5, 13, 16, 37, 45, 109, 130, 313, 377, 905, 1088, 2617, 3145, 7561, 9090, 21853, 26269, 63157, 75920, 182525, 219413, 527509, 634114, 1524529, 1832625, 4405969, 5296384, 12733489, 15306833, 36800465, 44237570, 106355317]