A143887 - 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

A143887 as a simple table

n	a(n)
0	1
1	2
2	3
3	35
4	60
5	2459
6	2907
7	447758
8	410457
9	237456332
10	154828648
11	342431110933
12	169227858597
13	1508376191950535
14	537887672115734

[1,2,3,35,60,2459,2907,447758,410457,237456332, 154828648,342431110933,169227858597, 1508376191950535,537887672115734]