A100101 - 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

A100101 as a simple table

n	a(n)
0	1
1	2
2	45
3	3045
4	434700
5	109596375
6	43800340815
7	25797179878470
8	21243510135522675
9	23503974546075598575
10	33865310276598741840900
11	61964234361152712204340725
12	141027420945032510510113517025

[1,2,45,3045,434700,109596375,43800340815, 25797179878470,21243510135522675, 23503974546075598575,33865310276598741840900, 61964234361152712204340725, 141027420945032510510113517025]