A123385 - 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

A123385 as a simple table

n	a(n)
2	2
3	18
4	288
5	7200
6	259200
7	12700800
8	812851200
9	65840947200
10	6584094720000
11	796675461120000
12	114721266401280000
13	19387894021816320000
14	3800027228275998720000
15	855006126362099712000000

[2,18,288,7200,259200,12700800,812851200, 65840947200,6584094720000,796675461120000, 114721266401280000,19387894021816320000, 3800027228275998720000,855006126362099712000000]