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A156467 as a simple table

n a(n)
2 2
3 2
4 44
5 76
6 1804
7 8172
8 1022492
9 7436362
10 4686068520
11 71763897760
12 74820160016800

[2,2,44,76,1804,8172,1022492,7436362,4686068520,
 71763897760,74820160016800]

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Last modified October 2 14:37 EDT 2023. Contains 365837 sequences. (Running on oeis4.)