A318156 - cp's OEIS frontend

A318156 Expansion of (1/(1 - x)) * Sum_{k>=1} x^(k(2k-1)) / Product_{j=1..2*k-1} (1 - x^j).

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	7
7	9
8	12
9	16
10	21
11	27
12	35
13	44
14	55
15	69
16	85
17	104
18	127
19	154
20	186
21	224
22	268
23	320
24	381
25	452
26	534
27	630
28	741
29	869
30	1017
31	1187
32	1382
33	1606
34	1862
35	2155
36	2489
37	2869
38	3301
39	3792
40	4349
41	4979
42	5692
43	6497
44	7405
45	8429
46	9581
47	10876
48	12331
49	13963
50	15792
51	17840
52	20131
53	22691

[0, 1, 2, 3, 4, 5, 7, 9, 12, 16, 21, 27, 35, 44, 55, 69, 85, 104, 127, 154, 186, 224, 268, 320, 381, 452, 534, 630, 741, 869, 1017, 1187, 1382, 1606, 1862, 2155, 2489, 2869, 3301, 3792, 4349, 4979, 5692, 6497, 7405, 8429, 9581, 10876, 12331, 13963, 15792, 17840, 20131, 22691]

cp's OEIS Frontend

A318156 Expansion of (1/(1 - x)) * Sum_{k>=1} x^(k(2k-1)) / Product_{j=1..2*k-1} (1 - x^j).

Table of values

List of values

cp's OEIS Frontend

A318156 Expansion of (1/(1 - x)) * Sum_{k>=1} x^(k*(2*k-1)) / Product_{j=1..2*k-1} (1 - x^j).

Table of values

List of values

A318156 Expansion of (1/(1 - x)) * Sum_{k>=1} x^(k(2k-1)) / Product_{j=1..2*k-1} (1 - x^j).