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.

A320941 Expansion of Sum_{k>=1} x^k*(1 + x^k)/(1 - x^k)^4.

Table of values

n a(n)
1 1
2 6
3 15
4 36
5 56
6 111
7 141
8 240
9 300
10 446
11 507
12 791
13 820
14 1161
15 1310
16 1736
17 1786
18 2505
19 2471
20 3346
21 3466
22 4307
23 4325
24 5895
25 5581
26 7026
27 7230
28 8905
29 8556
30 11246
31 10417
32 13176
33 13050
34 15476
35 15106
36 19391
37 17576
38 21495
39 21374
40 25690
41 23822
42 30162
43 27435
44 33707
45 32990
46 37841
47 35721

List of values

[1, 6, 15, 36, 56, 111, 141, 240, 300, 446, 507, 791, 820, 1161, 1310, 1736, 1786, 2505, 2471, 3346, 3466, 4307, 4325, 5895, 5581, 7026, 7230, 8905, 8556, 11246, 10417, 13176, 13050, 15476, 15106, 19391, 17576, 21495, 21374, 25690, 23822, 30162, 27435, 33707, 32990, 37841, 35721]