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.

A246579 G.f.: x^(k^2)/(mul(1-x^(2*i),i=1..k)*mul(1+x^(2*r-1),r=1..oo)) with k=3.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 1
10 -1
11 2
12 -3
13 5
14 -7
15 11
16 -15
17 21
18 -29
19 39
20 -52
21 69
22 -90
23 116
24 -150
25 190
26 -241
27 303
28 -379
29 470
30 -583
31 716
32 -878
33 1071
34 -1302
35 1575
36 -1902
37 2285
38 -2739
39 3273
40 -3899
41 4631
42 -5489
43 6486
44 -7647
45 8996
46 -10557
47 12363
48 -14450
49 16853
50 -19618
51 22798
52 -26441

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 2, -3, 5, -7, 11, -15, 21, -29, 39, -52, 69, -90, 116, -150, 190, -241, 303, -379, 470, -583, 716, -878, 1071, -1302, 1575, -1902, 2285, -2739, 3273, -3899, 4631, -5489, 6486, -7647, 8996, -10557, 12363, -14450, 16853, -19618, 22798, -26441]