A234616 - OEIS

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A234616 as a simple table

n	a(n)
1	1
2	63
3	6705
4	1960804
5	1271288295
6	1541975757831
7	3135880743480163
8	9904953891455450640
9	45915662047529291081589
10	299038026557168514632822455
11	2642895689915240835222121682301
12	30814273315381549790551229559722628

[1,63,6705,1960804,1271288295,1541975757831, 3135880743480163,9904953891455450640, 45915662047529291081589, 299038026557168514632822455, 2642895689915240835222121682301, 30814273315381549790551229559722628]