A221700 - OEIS

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A221700 as a simple table

n	a(n)
2	5
3	409
4	409
5	409
6	9721
7	47881
8	47881
9	47881
10	10366201
11	84768121
12	35581939201
13	45711198721
14	5878291093921
15	5878291093921
16	5878291093921

[5,409,409,409,9721,47881,47881,47881,10366201, 84768121,35581939201,45711198721,5878291093921, 5878291093921,5878291093921]