A139108 - OEIS

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A139108 as a simple table

n	a(n)
1	2
2	37
3	2397
4	153437
5	157119967
6	40222711647
7	2574253545437
8	2636035630527967
9	674825121415159677
10	691020924329123509751
11	176901356628255618496351
12	181146989187333753340263903
13	741978067711319053681720948727

[2,37,2397,153437,157119967,40222711647, 2574253545437,2636035630527967,674825121415159677, 691020924329123509751,176901356628255618496351, 181146989187333753340263903, 741978067711319053681720948727]