A162101 - OEIS

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A162101 as a simple table

n	a(n)
1	2
2	3
3	11
4	44
5	203
6	1083
7	6424
8	41908
9	297357
10	2274237
11	18618870
12	162222857
13	1496925971
14	14568783883
15	149016495539

[2,3,11,44,203,1083,6424,41908,297357,2274237, 18618870,162222857,1496925971,14568783883, 149016495539]