A152266 - OEIS

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A152266 as a simple table

n	a(n)
0	1
1	9
2	88
3	918
4	10012
5	112284
6	1280224
7	14735016
8	170493712
9	1978495632
10	22996386688
11	267526283616
12	3113740490176
13	36250383835584
14	422090112767488
15	4915093625981568
16	57237016922874112
17	666549376289097984

[1,9,88,918,10012,112284,1280224,14735016, 170493712,1978495632,22996386688,267526283616, 3113740490176,36250383835584,422090112767488, 4915093625981568,57237016922874112, 666549376289097984]