A382189 - cp's OEIS frontend

A382189 Expansion of 1/(1 - 4 * Sum_{k>=0} x^(3^k))^(1/2).

n	a(n)
0	1
1	2
2	6
3	22
4	82
5	312
6	1210
7	4752
8	18834
9	75186
10	301868
11	1217664
12	4930918
13	20033432
14	81621456
15	333357656
16	1364395770
17	5594799576
18	22980090870
19	94529049296
20	389367825444
21	1605758772136
22	6629456308464
23	27397510466856
24	113329594803078
25	469183242566016
26	1943927996932656

[1, 2, 6, 22, 82, 312, 1210, 4752, 18834, 75186, 301868, 1217664, 4930918, 20033432, 81621456, 333357656, 1364395770, 5594799576, 22980090870, 94529049296, 389367825444, 1605758772136, 6629456308464, 27397510466856, 113329594803078, 469183242566016, 1943927996932656]

cp's OEIS Frontend

A382189 Expansion of 1/(1 - 4 * Sum_{k>=0} x^(3^k))^(1/2).

Table of values

List of values