A374626 - cp's OEIS frontend

A374626 Expansion of Product_{k>=0} 1 / (1 - 3*x^(3^k)).

n	a(n)
0	1
1	3
2	9
3	30
4	90
5	270
6	819
7	2457
8	7371
9	22143
10	66429
11	199287
12	597951
13	1793853
14	5381559
15	16144947
16	48434841
17	145304523
18	435914388
19	1307743164
20	3923229492
21	11769690933
22	35309072799
23	105927218397
24	317781662562
25	953344987686
26	2860034963058
27	8580104911317

[1, 3, 9, 30, 90, 270, 819, 2457, 7371, 22143, 66429, 199287, 597951, 1793853, 5381559, 16144947, 48434841, 145304523, 435914388, 1307743164, 3923229492, 11769690933, 35309072799, 105927218397, 317781662562, 953344987686, 2860034963058, 8580104911317]

cp's OEIS Frontend

A374626 Expansion of Product_{k>=0} 1 / (1 - 3*x^(3^k)).

Table of values

List of values