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.

A107850 Expansion of g.f. (x^2+x+1)*(2*x^2+2*x+1)*(x-1)^2/((1-x^2-2*x^3)*(x^4+1)).

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 1
5 1
6 3
7 6
8 7
9 13
10 17
11 24
12 41
13 57
14 91
15 142
16 207
17 325
18 489
19 736
20 1137
21 1713
22 2611
23 3990
24 6039
25 9213
26 14017
27 21288
28 32441
29 49321
30 75019
31 114206
32 173663
33 264245
34 402073
35 611568
36 930561
37 1415713
38 2153699
39 3276838
40 4985127
41 7584237
42 11538801

List of values

[1, 1, 1, 0, 1, 1, 3, 6, 7, 13, 17, 24, 41, 57, 91, 142, 207, 325, 489, 736, 1137, 1713, 2611, 3990, 6039, 9213, 14017, 21288, 32441, 49321, 75019, 114206, 173663, 264245, 402073, 611568, 930561, 1415713, 2153699, 3276838, 4985127, 7584237, 11538801]