A327744 - cp's OEIS frontend

A327744 Expansion of Product_{i>=1, j>=1} 1 / (1 - x^(ij(j + 1)/2)).

n	a(n)
0	1
1	1
2	2
3	4
4	6
5	9
6	17
7	23
8	35
9	54
10	77
11	108
12	163
13	221
14	309
15	436
16	593
17	800
18	1109
19	1470
20	1968
21	2642
22	3482
23	4566
24	6052
25	7848
26	10204
27	13276
28	17092
29	21924
30	28245
31	35949
32	45762
33	58231
34	73609
35	92789
36	117140
37	146799
38	183826
39	229995
40	286483
41	356040
42	442566
43	547489

[1, 1, 2, 4, 6, 9, 17, 23, 35, 54, 77, 108, 163, 221, 309, 436, 593, 800, 1109, 1470, 1968, 2642, 3482, 4566, 6052, 7848, 10204, 13276, 17092, 21924, 28245, 35949, 45762, 58231, 73609, 92789, 117140, 146799, 183826, 229995, 286483, 356040, 442566, 547489]

cp's OEIS Frontend

A327744 Expansion of Product_{i>=1, j>=1} 1 / (1 - x^(ij(j + 1)/2)).

Table of values

List of values

cp's OEIS Frontend

A327744 Expansion of Product_{i>=1, j>=1} 1 / (1 - x^(i*j*(j + 1)/2)).

Table of values

List of values

A327744 Expansion of Product_{i>=1, j>=1} 1 / (1 - x^(ij(j + 1)/2)).