A321286 - cp's OEIS frontend

A321286 Expansion of Product_{1 <= i < j} (1 + x^(i*j)).

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	2
6	3
7	3
8	5
9	6
10	8
11	10
12	14
13	16
14	22
15	28
16	33
17	43
18	55
19	64
20	84
21	102
22	123
23	153
24	188
25	224
26	277
27	335
28	401
29	486
30	589
31	695
32	843
33	1006
34	1191
35	1428
36	1698
37	1999
38	2384
39	2814
40	3312
41	3914
42	4612
43	5395
44	6355
45	7447
46	8691
47	10182
48	11892
49	13826
50	16146
51	18770
52	21779
53	25313

[1, 0, 1, 1, 1, 2, 3, 3, 5, 6, 8, 10, 14, 16, 22, 28, 33, 43, 55, 64, 84, 102, 123, 153, 188, 224, 277, 335, 401, 486, 589, 695, 843, 1006, 1191, 1428, 1698, 1999, 2384, 2814, 3312, 3914, 4612, 5395, 6355, 7447, 8691, 10182, 11892, 13826, 16146, 18770, 21779, 25313]

cp's OEIS Frontend

A321286 Expansion of Product_{1 <= i < j} (1 + x^(i*j)).

Table of values

List of values