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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.

A280719 Expansion of (Sum_{k>=0} x^(k*(2*k-1)))^6.

Table of values

n a(n)
0 1
1 6
2 15
3 20
4 15
5 6
6 7
7 30
8 60
9 60
10 30
11 6
12 15
13 60
14 90
15 66
16 45
17 60
18 80
19 90
20 66
21 50
22 120
23 180
24 135
25 60
26 15
27 60
28 186
29 210
30 141
31 126
32 120
33 126
34 165
35 180
36 241
37 300
38 210
39 90
40 90
41 180
42 270
43 270
44 210
45 212
46 270
47 270
48 200
49 210
50 366
51 450
52 390
53 270
54 135
55 210
56 375
57 360
58 396
59 420
60 300
61 330
62 375
63 380
64 510
65 480
66 336
67 450
68 510
69 390
70 330

List of values

[1, 6, 15, 20, 15, 6, 7, 30, 60, 60, 30, 6, 15, 60, 90, 66, 45, 60, 80, 90, 66, 50, 120, 180, 135, 60, 15, 60, 186, 210, 141, 126, 120, 126, 165, 180, 241, 300, 210, 90, 90, 180, 270, 270, 210, 212, 270, 270, 200, 210, 366, 450, 390, 270, 135, 210, 375, 360, 396, 420, 300, 330, 375, 380, 510, 480, 336, 450, 510, 390, 330]