A209548 - OEIS

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A209548 as a simple table

n	a(n)
1	61
2	562
3	5075
4	46515
5	425803
6	3901194
7	35741496
8	327471411
9	3000373035
10	27490276714
11	251873944521
12	2307743577771
13	21144231048767
14	193729722925588
15	1775009260945536
16	16263162106133544
17	149007922275551448

[61,562,5075,46515,425803,3901194,35741496, 327471411,3000373035,27490276714,251873944521, 2307743577771,21144231048767,193729722925588, 1775009260945536,16263162106133544, 149007922275551448]