A376852 - cp's OEIS frontend

A376852 G.f.: Sum_{k>=0} x^(k(k+1)) Product_{j=1..k} ((1 + x^j)/(1 - x^j))^2.

n	a(n)
0	1
1	0
2	1
3	4
4	8
5	12
6	17
7	24
8	36
9	56
10	88
11	136
12	205
13	300
14	428
15	600
16	828
17	1132
18	1540
19	2084
20	2813
21	3788
22	5080
23	6788
24	9032
25	11952
26	15736
27	20612
28	26852
29	34812
30	44929
31	57732
32	73900
33	94268
34	119852
35	151932
36	192072
37	242172
38	304584
39	382164
40	478364
41	597400
42	744365
43	925384

[1, 0, 1, 4, 8, 12, 17, 24, 36, 56, 88, 136, 205, 300, 428, 600, 828, 1132, 1540, 2084, 2813, 3788, 5080, 6788, 9032, 11952, 15736, 20612, 26852, 34812, 44929, 57732, 73900, 94268, 119852, 151932, 192072, 242172, 304584, 382164, 478364, 597400, 744365, 925384]

cp's OEIS Frontend

A376852 G.f.: Sum_{k>=0} x^(k(k+1)) Product_{j=1..k} ((1 + x^j)/(1 - x^j))^2.

Table of values

List of values

cp's OEIS Frontend

A376852 G.f.: Sum_{k>=0} x^(k*(k+1)) * Product_{j=1..k} ((1 + x^j)/(1 - x^j))^2.

Table of values

List of values

A376852 G.f.: Sum_{k>=0} x^(k(k+1)) Product_{j=1..k} ((1 + x^j)/(1 - x^j))^2.