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.

A304989 G.f.: Sum_{k>=0} A000041(k)^2 * x^k / Sum_{k>=0} A000009(k)^2 * x^k.

Table of values

n a(n)
0 1
1 0
2 3
3 2
4 16
5 10
6 59
7 32
8 187
9 90
10 519
11 152
12 1439
13 164
14 3525
15 -246
16 8904
17 -2500
18 21748
19 -10836
20 53918
21 -36508
22 131424
23 -115266
24 328703
25 -336608
26 812615
27 -957464
28 2046225
29 -2634166
30 5152190
31 -7145682
32 13121677
33 -19039178
34 33473773
35 -50395004
36 86035125

List of values

[1, 0, 3, 2, 16, 10, 59, 32, 187, 90, 519, 152, 1439, 164, 3525, -246, 8904, -2500, 21748, -10836, 53918, -36508, 131424, -115266, 328703, -336608, 812615, -957464, 2046225, -2634166, 5152190, -7145682, 13121677, -19039178, 33473773, -50395004, 86035125]