A162166 - OEIS

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A162166 as a simple table

n	a(n)
0	1
1	38
2	740
3	9842
4	100528
5	840750
6	5994443
7	37460020
8	209355471
9	1062545094
10	4956417103
11	21455163508
12	86870115631
13	331163611782
14	1195264474584
15	4103926538058
16	13459612095894
17	42317155173498
18	127942640917705

[1,38,740,9842,100528,840750,5994443,37460020, 209355471,1062545094,4956417103,21455163508, 86870115631,331163611782,1195264474584, 4103926538058,13459612095894,42317155173498, 127942640917705]