A122548 - 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

A122548 as a simple table

n	a(n)
1	3
2	57
3	111
4	3171
5	92329
6	313741
7	4347535
8	96167717
9	379838997
10	1011031071
11	9113127131
12	137139149151
13	1571631671731
14	79181191193197
15	199211223227229
16	2332392412512572
17	63269271277281283
18	293307311313317331

[3,57,111,3171,92329,313741,4347535,96167717, 379838997,1011031071,9113127131,137139149151, 1571631671731,79181191193197,199211223227229, 2332392412512572,63269271277281283, 293307311313317331]