A304620 - cp's OEIS frontend

A304620 Expansion of (1/(1 - x)) * Sum_{k>=0} x^(2k) / Product_{j=1..2k} (1 - x^j).

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	9
6	15
7	22
8	34
9	48
10	70
11	97
12	137
13	186
14	255
15	341
16	459
17	605
18	800
19	1042
20	1359
21	1751
22	2256
23	2879
24	3672
25	4645
26	5869
27	7367
28	9234
29	11508
30	14319
31	17730
32	21916
33	26975
34	33143
35	40570
36	49575
37	60376
38	73402
39	88974
40	107666
41	129933
42	156546
43	188148
44	225767
45	270300
46	323115
47	385453

[1, 1, 2, 3, 6, 9, 15, 22, 34, 48, 70, 97, 137, 186, 255, 341, 459, 605, 800, 1042, 1359, 1751, 2256, 2879, 3672, 4645, 5869, 7367, 9234, 11508, 14319, 17730, 21916, 26975, 33143, 40570, 49575, 60376, 73402, 88974, 107666, 129933, 156546, 188148, 225767, 270300, 323115, 385453]

cp's OEIS Frontend

A304620 Expansion of (1/(1 - x)) * Sum_{k>=0} x^(2k) / Product_{j=1..2k} (1 - x^j).

Table of values

List of values

cp's OEIS Frontend

A304620 Expansion of (1/(1 - x)) * Sum_{k>=0} x^(2*k) / Product_{j=1..2*k} (1 - x^j).

Table of values

List of values

A304620 Expansion of (1/(1 - x)) * Sum_{k>=0} x^(2k) / Product_{j=1..2k} (1 - x^j).