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A306254 as a simple table

n a(n)
0 4
1 768
2 61440
3 165150720
4 47563407360
5 669692775628800
6 417888291992371200
7 2808209322188734464000
8 3055331742541343096832000
9 33437550590372458851729408000
10 56175084991825730870905405440000
11 7276695809501137874093602599075840000
12 17464069942802730897824646237782016000000

[4,768,61440,165150720,47563407360,
 669692775628800,417888291992371200,
 2808209322188734464000,3055331742541343096832000,
 33437550590372458851729408000,
 56175084991825730870905405440000,
 7276695809501137874093602599075840000,
 17464069942802730897824646237782016000000]

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Last modified May 3 17:26 EDT 2024. Contains 372222 sequences. (Running on oeis4.)