A168479 - 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

A168479 as a simple table

n	a(n)
0	1
1	3
2	21
3	217
4	2895
5	46479
6	857670
7	17619348
8	394066449
9	9445681950
10	239946999264
11	6407385578778
12	178774882463450
13	5188026867995184
14	156036783823130184
15	4850255971984578744
16	155467140310522090338

[1,3,21,217,2895,46479,857670,17619348,394066449, 9445681950,239946999264,6407385578778, 178774882463450,5188026867995184, 156036783823130184,4850255971984578744, 155467140310522090338]