A385090 - cp's OEIS frontend

A385090 G.f.: Sum_{k>=0} x^k * Product_{j=1..4*k} (1 + x^j)/(1 - x^j).

n	a(n)
0	1
1	1
2	3
3	7
4	15
5	29
6	51
7	87
8	143
9	227
10	353
11	537
12	803
13	1185
14	1727
15	2489
16	3551
17	5021
18	7039
19	9791
20	13521
21	18541
22	25261
23	34207
24	46051
25	61655
26	82113
27	108815
28	143517
29	188433
30	246343
31	320725
32	415931
33	537377
34	691791
35	887517
36	1134863
37	1446549
38	1838235
39	2329147
40	2942849
41	3708165

[1, 1, 3, 7, 15, 29, 51, 87, 143, 227, 353, 537, 803, 1185, 1727, 2489, 3551, 5021, 7039, 9791, 13521, 18541, 25261, 34207, 46051, 61655, 82113, 108815, 143517, 188433, 246343, 320725, 415931, 537377, 691791, 887517, 1134863, 1446549, 1838235, 2329147, 2942849, 3708165]

cp's OEIS Frontend

A385090 G.f.: Sum_{k>=0} x^k * Product_{j=1..4*k} (1 + x^j)/(1 - x^j).

Table of values

List of values