A159204 - OEIS

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A159204 as a simple table

n	a(n)
3	198
4	1062
5	3974
6	12294
7	45386
8	142206
9	400914
10	1332870
11	3945242
12	10847070
13	34656506
14	100733766
15	276259698
16	868825302
17	2514160154
18	6922672974

[198,1062,3974,12294,45386,142206,400914,1332870, 3945242,10847070,34656506,100733766,276259698, 868825302,2514160154,6922672974]

[198,1062,3974,12294,45386,142206,400914,1332870,
 3945242,10847070,34656506,100733766,276259698,
 868825302,2514160154,6922672974]