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.

A278947 Expansion of Sum_{k>=1} (k*(5*k - 3)/2)*x^k/(1 - x^k).

Table of values

n a(n)
0 0
1 1
2 8
3 19
4 42
5 56
6 107
7 113
8 190
9 208
10 298
11 287
12 483
13 404
14 589
15 614
16 806
17 698
18 1079
19 875
20 1302
21 1202
22 1471
23 1289
24 2035
25 1581
26 2062
27 1990
28 2541
29 2060
30 3142
31 2357
32 3318
33 2978
34 3544
35 3178
36 4641
37 3368
38 4435
39 4166
40 5390
41 4142
42 6106
43 4559
44 6279
45 5798
46 6517
47 5453
48 8339
49 6042
50 7998
51 7142
52 8778
53 6944
54 10070
55 7822
56 10445
57 8930
58 10390

List of values

[0, 1, 8, 19, 42, 56, 107, 113, 190, 208, 298, 287, 483, 404, 589, 614, 806, 698, 1079, 875, 1302, 1202, 1471, 1289, 2035, 1581, 2062, 1990, 2541, 2060, 3142, 2357, 3318, 2978, 3544, 3178, 4641, 3368, 4435, 4166, 5390, 4142, 6106, 4559, 6279, 5798, 6517, 5453, 8339, 6042, 7998, 7142, 8778, 6944, 10070, 7822, 10445, 8930, 10390]