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.

A254707 Expansion of (1 + 2*x^2) / ((1 - x^2)^2 * (1 - x^3) * (1 - x^4)) in powers of x.

Table of values

n a(n)
0 1
1 0
2 4
3 1
4 8
5 4
6 15
7 8
8 25
9 15
10 38
11 25
12 55
13 38
14 77
15 55
16 103
17 77
18 135
19 103
20 173
21 135
22 217
23 173
24 268
25 217
26 327
27 268
28 393
29 327
30 468
31 393
32 552
33 468
34 645
35 552
36 748
37 645
38 862
39 748
40 986
41 862
42 1122
43 986
44 1270
45 1122
46 1430
47 1270
48 1603
49 1430
50 1790
51 1603
52 1990
53 1790

List of values

[1, 0, 4, 1, 8, 4, 15, 8, 25, 15, 38, 25, 55, 38, 77, 55, 103, 77, 135, 103, 173, 135, 217, 173, 268, 217, 327, 268, 393, 327, 468, 393, 552, 468, 645, 552, 748, 645, 862, 748, 986, 862, 1122, 986, 1270, 1122, 1430, 1270, 1603, 1430, 1790, 1603, 1990, 1790]