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A297565 as a simple table

n a(n)
2 1
3 3
4 8
5 144
6 47520
7 16656192
8 3321907200
9 21173194506240
10 7866775374741504000
11 1714731229742768455680000
12 149617202324844553489612800000
13 1023015704130692419403265343488000000
14 822671651496871196689402715812984258560000000
15 267398413297417500827783894166564037306456473600000000 

[1,3,8,144,47520,16656192,3321907200,
 21173194506240,7866775374741504000,
 1714731229742768455680000,
 149617202324844553489612800000,
 1023015704130692419403265343488000000,
 822671651496871196689402715812984258560000000,
 26739841329741750082778389416656403730645647360000\
 0000]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)