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.

A266648 Expansion of Product_{k>=1} (1 + x^(3*k)) / (1 - x^k).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 6
5 9
6 15
7 21
8 31
9 46
10 64
11 89
12 126
13 170
14 231
15 314
16 417
17 552
18 733
19 955
20 1244
21 1617
22 2079
23 2665
24 3413
25 4331
26 5485
27 6931
28 8704
29 10901
30 13629
31 16949
32 21033
33 26045
34 32123
35 39529
36 48553
37 59429
38 72599
39 88518
40 107624
41 130599
42 158209
43 191175
44 230611
45 277717
46 333730
47 400375
48 479598
49 573386
50 684481

List of values

[1, 1, 2, 4, 6, 9, 15, 21, 31, 46, 64, 89, 126, 170, 231, 314, 417, 552, 733, 955, 1244, 1617, 2079, 2665, 3413, 4331, 5485, 6931, 8704, 10901, 13629, 16949, 21033, 26045, 32123, 39529, 48553, 59429, 72599, 88518, 107624, 130599, 158209, 191175, 230611, 277717, 333730, 400375, 479598, 573386, 684481]