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A000656 as a simple table

n a(n)
1 2
2 3
3 56
4 43265712
5 219289731988435167257927904
6 8742218740996073061357349746759733054713953086811227917496519524423937904640

[2,3,56,43265712,219289731988435167257927904,
 87422187409960730613573497467597330547139530868112\
 27917496519524423937904640]

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Last modified April 14 10:04 EDT 2024. Contains 371657 sequences. (Running on oeis4.)