A229230 - OEIS

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A229230 as a simple table

n	a(n)
1	0
2	1
3	2
4	11
5	69
6	125
7	201
8	584
9	1591
10	2435
11	2543
12	4813
13	9602
14	12147
15	122446
16	172037
17	185124
18	203717
19	319849
20	471163
21	3876852
22	4491253

[0,1,2,11,69,125,201,584,1591,2435,2543,4813,9602, 12147,122446,172037,185124,203717,319849,471163, 3876852,4491253]