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.

A316230 Expansion of Product_{k>=1} 1/(1 + p(k)*x^k), where p(k) = number of partitions of k (A000041).

Table of values

n a(n)
0 1
1 -1
2 -1
3 -2
4 1
5 -2
6 2
7 0
8 24
9 -17
10 31
11 -21
12 94
13 -107
14 121
15 -443
16 742
17 -977
18 532
19 -2159
20 3275
21 -6193
22 6988
23 -11156
24 30278
25 -39214
26 42759
27 -80255
28 149070
29 -193093
30 291229
31 -451125
32 1017812
33 -1335848
34 1609412
35 -3248202
36 5606551
37 -7684574
38 10012531
39 -17908468

List of values

[1, -1, -1, -2, 1, -2, 2, 0, 24, -17, 31, -21, 94, -107, 121, -443, 742, -977, 532, -2159, 3275, -6193, 6988, -11156, 30278, -39214, 42759, -80255, 149070, -193093, 291229, -451125, 1017812, -1335848, 1609412, -3248202, 5606551, -7684574, 10012531, -17908468]