A210260 - OEIS

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A210260 as a simple table

n	a(n)
1	0
2	29
3	400
4	4298
5	42520
6	406580
7	3828928
8	35804264
9	333688864
10	3104980304
11	28869996928
12	268334928032
13	2493631919488
14	23171354998592
15	215304570112000
16	2000537970249344
17	18588159494998528
18	172712625468359936

[0,29,400,4298,42520,406580,3828928,35804264, 333688864,3104980304,28869996928,268334928032, 2493631919488,23171354998592,215304570112000, 2000537970249344,18588159494998528, 172712625468359936]