A088553 - OEIS

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A088553 as a simple table

n	a(n)
1	2
2	5
3	13
4	41
5	1093
6	797161
7	21523361
8	926510094425921
9	1716841910146256242328924544641
10	3754733257489862401973357979128773
11	6957596529882152968992225251835887181478451547013

[2,5,13,41,1093,797161,21523361,926510094425921, 1716841910146256242328924544641, 3754733257489862401973357979128773, 6957596529882152968992225251835887181478451547013]