A192734 - OEIS

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A192734 as a simple table

n	a(n)
1	7
2	21
3	273
4	16401
5	1048593
6	4295032833
7	1099512676353
8	9007199256838145
9	302231455185132270387201
10	1208944266358702884257793
11	1329227995784915872903807060297121793
12	1393796574908163946347162983661240005427201

[7,21,273,16401,1048593,4295032833,1099512676353, 9007199256838145,302231455185132270387201, 1208944266358702884257793, 1329227995784915872903807060297121793, 1393796574908163946347162983661240005427201]