A296164 - cp's OEIS frontend

A296164 a(n) = [x^n] Product_{k>=1} ((1 + x^k)/(1 + x^(3*k)))^n.

n	a(n)
0	1
1	1
2	3
3	10
4	35
5	131
6	498
7	1919
8	7459
9	29170
10	114653
11	452552
12	1792754
13	7124040
14	28386081
15	113372690
16	453743907
17	1819317153
18	7306575042
19	29386858821
20	118348662525
21	477188876405
22	1926137365804
23	7782398551661
24	31472648050930
25	127384123318906
26	515978637418884

[1, 1, 3, 10, 35, 131, 498, 1919, 7459, 29170, 114653, 452552, 1792754, 7124040, 28386081, 113372690, 453743907, 1819317153, 7306575042, 29386858821, 118348662525, 477188876405, 1926137365804, 7782398551661, 31472648050930, 127384123318906, 515978637418884]

cp's OEIS Frontend

A296164 a(n) = [x^n] Product_{k>=1} ((1 + x^k)/(1 + x^(3*k)))^n.

Table of values

List of values