A361805 - cp's OEIS frontend

A361805 Expansion of Product_{j=1..n, k=1..n} (1 + x^(k^j)) / (1 - x^(k^j)).

n	a(n)
0	1
1	2
2	10
3	52
4	278
5	1508
6	8262
7	45604
8	253186
9	1412196
10	7906866
11	44411420
12	250124308
13	1411963200
14	7986664250
15	45255888828
16	256840959728
17	1459686175768
18	8306130772008
19	47318321533008
20	269839722667800
21	1540242835509060
22	8799238591245006
23	50308756959106988

[1, 2, 10, 52, 278, 1508, 8262, 45604, 253186, 1412196, 7906866, 44411420, 250124308, 1411963200, 7986664250, 45255888828, 256840959728, 1459686175768, 8306130772008, 47318321533008, 269839722667800, 1540242835509060, 8799238591245006, 50308756959106988]

cp's OEIS Frontend

A361805 Expansion of Product_{j=1..n, k=1..n} (1 + x^(k^j)) / (1 - x^(k^j)).

Table of values

List of values