A162092 - OEIS

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A162092 as a simple table

n	a(n)
1	2
2	3
3	7
4	16
5	41
6	109
7	298
8	858
9	2533
10	7773
11	24438
12	79079
13	261961
14	888335
15	3078307
16	10884541
17	39246121
18	144089532
19	538426333
20	2045444718
21	7895980672
22	30947906902
23	123093837504
24	496552331743
25	2030469580356

[2,3,7,16,41,109,298,858,2533,7773,24438,79079, 261961,888335,3078307,10884541,39246121,144089532, 538426333,2045444718,7895980672,30947906902, 123093837504,496552331743,2030469580356]