A382372 - cp's OEIS frontend

A382372 Expansion of 1/( 1 - Sum_{k>=0} x^(4^k) / (1 - x^(4^k)) ).

n	a(n)
0	1
1	1
2	2
3	4
4	9
5	18
6	37
7	76
8	158
9	325
10	670
11	1381
12	2850
13	5876
14	12117
15	24986
16	51530
17	106262
18	219131
19	451885
20	931876
21	1921695
22	3962884
23	8172182
24	16852538
25	34752996
26	71667001
27	147790386
28	304770689
29	628492615
30	1296066140
31	2672724207
32	5511643710
33	11366012289

[1, 1, 2, 4, 9, 18, 37, 76, 158, 325, 670, 1381, 2850, 5876, 12117, 24986, 51530, 106262, 219131, 451885, 931876, 1921695, 3962884, 8172182, 16852538, 34752996, 71667001, 147790386, 304770689, 628492615, 1296066140, 2672724207, 5511643710, 11366012289]

cp's OEIS Frontend

A382372 Expansion of 1/( 1 - Sum_{k>=0} x^(4^k) / (1 - x^(4^k)) ).

Table of values

List of values