A327731 - cp's OEIS frontend

A327731 Expansion of Product_{i>=1, j>=1} (1 + x^(i(2j - 1))).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	5
6	8
7	10
8	14
9	21
10	28
11	36
12	51
13	65
14	86
15	117
16	148
17	190
18	251
19	316
20	402
21	519
22	647
23	814
24	1032
25	1282
26	1593
27	1994
28	2457
29	3029
30	3754
31	4591
32	5617
33	6895
34	8381
35	10193
36	12411
37	14999
38	18125
39	21919
40	26359
41	31672
42	38074
43	45556
44	54468
45	65134
46	77576
47	92322

[1, 1, 1, 3, 3, 5, 8, 10, 14, 21, 28, 36, 51, 65, 86, 117, 148, 190, 251, 316, 402, 519, 647, 814, 1032, 1282, 1593, 1994, 2457, 3029, 3754, 4591, 5617, 6895, 8381, 10193, 12411, 14999, 18125, 21919, 26359, 31672, 38074, 45556, 54468, 65134, 77576, 92322]

cp's OEIS Frontend

A327731 Expansion of Product_{i>=1, j>=1} (1 + x^(i(2j - 1))).

Table of values

List of values

cp's OEIS Frontend

A327731 Expansion of Product_{i>=1, j>=1} (1 + x^(i*(2*j - 1))).

Table of values

List of values

A327731 Expansion of Product_{i>=1, j>=1} (1 + x^(i(2j - 1))).