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.

A305350 G.f.: Sum_{k>=0} A000009(k)^2 * x^k / Sum_{k>=0} A000041(k) * x^k.

Table of values

n a(n)
0 1
1 0
2 -1
3 2
4 -1
5 2
6 4
7 2
8 0
9 8
10 13
11 0
12 14
13 6
14 23
15 52
16 14
17 6
18 96
19 36
20 72
21 192
22 98
23 80
24 219
25 256
26 246
27 548
28 456
29 294
30 971
31 690
32 488
33 1790
34 1164
35 1752
36 2914
37 1654
38 2180
39 4488
40 4020
41 3742
42 7546
43 6040
44 6537
45 14916
46 9256
47 8990
48 19142
49 16216
50 20190

List of values

[1, 0, -1, 2, -1, 2, 4, 2, 0, 8, 13, 0, 14, 6, 23, 52, 14, 6, 96, 36, 72, 192, 98, 80, 219, 256, 246, 548, 456, 294, 971, 690, 488, 1790, 1164, 1752, 2914, 1654, 2180, 4488, 4020, 3742, 7546, 6040, 6537, 14916, 9256, 8990, 19142, 16216, 20190]