A321424 - cp's OEIS frontend

A321424 Expansion of 1/2 * Product_{0 <= i <= j <= k} (1 + x^(i^2 + j^2 + k^2)).

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	8
10	9
11	11
12	14
13	16
14	21
15	25
16	28
17	35
18	43
19	50
20	60
21	70
22	82
23	98
24	113
25	131
26	155
27	182
28	210
29	244
30	283
31	326
32	377
33	432
34	495
35	571
36	657
37	747
38	856
39	979
40	1112
41	1269
42	1439
43	1632
44	1859
45	2105
46	2377
47	2694
48	3040
49	3426
50	3867
51	4349
52	4894
53	5509
54	6184
55	6939
56	7788

[1, 1, 1, 2, 2, 3, 4, 4, 5, 8, 9, 11, 14, 16, 21, 25, 28, 35, 43, 50, 60, 70, 82, 98, 113, 131, 155, 182, 210, 244, 283, 326, 377, 432, 495, 571, 657, 747, 856, 979, 1112, 1269, 1439, 1632, 1859, 2105, 2377, 2694, 3040, 3426, 3867, 4349, 4894, 5509, 6184, 6939, 7788]

cp's OEIS Frontend

A321424 Expansion of 1/2 * Product_{0 <= i <= j <= k} (1 + x^(i^2 + j^2 + k^2)).

Table of values

List of values