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.

A117486 Expansion of 1/((1-x)*(1-x^2)*(1-x^3)*(1-x^4))^2.

Table of values

n a(n)
0 1
1 2
2 5
3 10
4 20
5 34
6 59
7 94
8 149
9 224
10 334
11 480
12 685
13 950
14 1307
15 1762
16 2357
17 3100
18 4050
19 5220
20 6685
21 8466
22 10659
23 13294
24 16494
25 20298
26 24859
27 30234
28 36609
29 44056
30 52806
31 62952
32 74770
33 88380
34 104112
35 122116
36 142786
37 166304
38 193134
39 223504
40 257954
41 296756
42 340544

List of values

[1, 2, 5, 10, 20, 34, 59, 94, 149, 224, 334, 480, 685, 950, 1307, 1762, 2357, 3100, 4050, 5220, 6685, 8466, 10659, 13294, 16494, 20298, 24859, 30234, 36609, 44056, 52806, 62952, 74770, 88380, 104112, 122116, 142786, 166304, 193134, 223504, 257954, 296756, 340544]