A107883 - 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

A107883 as a simple table

n	a(n)
0	1
1	2
2	9
3	61
4	550
5	6195
6	83837
7	1326923
8	24078588
9	493309850
10	11271757335
11	284379843234
12	7856320956198
13	235986714918110
14	7660827258318780
15	267365373971139600
16	9985779421324740445
17	397508459931685273305

[1,2,9,61,550,6195,83837,1326923,24078588, 493309850,11271757335,284379843234,7856320956198, 235986714918110,7660827258318780, 267365373971139600,9985779421324740445, 397508459931685273305]