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A156473 as a simple table

n a(n)
2 2
3 0
4 32
5 75
6 3154
7 31638
8 4561976
9 75335814
10 23873894500
11 748560286220
12 449126699046010

[2,0,32,75,3154,31638,4561976,75335814,
 23873894500,748560286220,449126699046010]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)