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.

A327049 Expansion of Product_{k>=1} (1 + x^k) * (1 + x^(2*k)) * (1 + x^(3*k)) * (1 + x^(4*k)) / ((1 - x^k) * (1 - x^(2*k)) * (1 - x^(3*k)) * (1 - x^(4*k))).

Table of values

n a(n)
0 1
1 2
2 6
3 14
4 32
5 64
6 132
7 248
8 466
9 838
10 1488
11 2560
12 4370
13 7272
14 11988
15 19424
16 31160
17 49280
18 77294
19 119780
20 184164
21 280408
22 423808
23 635136
24 945628
25 1397398
26 2052536
27 2995210
28 4346416
29 6270272
30 8999668
31 12848584
32 18257122
33 25817760
34 36349600
35 50952064
36 71131448

List of values

[1, 2, 6, 14, 32, 64, 132, 248, 466, 838, 1488, 2560, 4370, 7272, 11988, 19424, 31160, 49280, 77294, 119780, 184164, 280408, 423808, 635136, 945628, 1397398, 2052536, 2995210, 4346416, 6270272, 8999668, 12848584, 18257122, 25817760, 36349600, 50952064, 71131448]