A191645 - OEIS

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A191645 as a simple table

n	a(n)
1	5
2	17
3	55
4	293
5	2141
6	445
7	457
8	5153
9	131597
10	1745411
11	1772711
12	30586537
13	31024117
14	597115873
15	604577173
16	14050770329
17	99311504603
18	100230122303
19	101081931443
20	101903852543

[5,17,55,293,2141,445,457,5153,131597,1745411, 1772711,30586537,31024117,597115873,604577173, 14050770329,99311504603,100230122303,101081931443, 101903852543]