A254121 - OEIS

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A254121 as a simple table

n	a(n)
1	7
2	61
3	117643
4	793714773254131
5	45671926166590716193865151022383844364247891937
6	403343566675122500462878634623535631588559593930513766350645748813807

[7,61,117643,793714773254131, 45671926166590716193865151022383844364247891937, 40334356667512250046287863462353563158855959393051\ 3766350645748813807]