A280664 - cp's OEIS frontend

A280664 G.f.: Product_{k>=1, j>=1} (1 + x^(j*k^4)).

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	5
8	6
9	8
10	10
11	12
12	15
13	18
14	22
15	27
16	33
17	39
18	47
19	56
20	66
21	79
22	93
23	109
24	128
25	150
26	175
27	204
28	237
29	274
30	318
31	367
32	423
33	487
34	559
35	641
36	734
37	839
38	957
39	1091
40	1241
41	1410
42	1601
43	1814
44	2053
45	2322
46	2622
47	2957
48	3334
49	3752
50	4218
51	4740
52	5318
53	5962
54	6679

[1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 10, 12, 15, 18, 22, 27, 33, 39, 47, 56, 66, 79, 93, 109, 128, 150, 175, 204, 237, 274, 318, 367, 423, 487, 559, 641, 734, 839, 957, 1091, 1241, 1410, 1601, 1814, 2053, 2322, 2622, 2957, 3334, 3752, 4218, 4740, 5318, 5962, 6679]

cp's OEIS Frontend

A280664 G.f.: Product_{k>=1, j>=1} (1 + x^(j*k^4)).

Table of values

List of values