A049065 - OEIS

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A049065 as a simple table

n	a(n)
1	2
2	3
3	31
4	179
5	12007
6	1564237
7	17320726789571
8	401278664296369
9	576312045441408907
10	37246812772043701411753149215934377
11	3690727229000499480592573891534356177653018575120050845976045596834749951228879

[2,3,31,179,12007,1564237,17320726789571, 401278664296369,576312045441408907, 37246812772043701411753149215934377, 36907272290004994805925738915343561776530185751200\ 50845976045596834749951228879]