A092585 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A092585 as a simple table

n	a(n)
1	2
2	4
3	16
4	64
5	151
6	449
7	3403
8	4096
9	4267
10	9307
11	35905
12	65536
13	247285
14	262144
15	17625601
16	33126625
17	399288961
18	649232833
19	947278081
20	1073741824
21	2102485441
22	4555788385
23	5203567081
24	6103058177
25	7115716609

[2,4,16,64,151,449,3403,4096,4267,9307,35905, 65536,247285,262144,17625601,33126625,399288961, 649232833,947278081,1073741824,2102485441, 4555788385,5203567081,6103058177,7115716609]