A079340 - 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

A079340 as a simple table

n	a(n)
1	1
2	5
3	72
4	1380
5	31920
6	861840
7	26611200
8	925404480
9	35805369600
10	1526139014400
11	71066912716800
12	3590219977344000
13	195589552648089600
14	11430978821982720000
15	713448513897799680000
16	47363888351558338560000

[1,5,72,1380,31920,861840,26611200,925404480, 35805369600,1526139014400,71066912716800, 3590219977344000,195589552648089600, 11430978821982720000,713448513897799680000, 47363888351558338560000]