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A321633 as a simple table

n a(n)
0 1
1 0
2 2
3 1092
4 2265024
5 11804626080
6 131402141197200
7 2778291737177034960
8 102284730928300590754560
9 6134232798447803932455457920
10 568598490353320413296928514444800
11 78076149156802562231395694989534464000
12 15336188146163145199585928509793662920345600

[1,0,2,1092,2265024,11804626080,131402141197200,
 2778291737177034960,102284730928300590754560,
 6134232798447803932455457920,
 568598490353320413296928514444800,
 78076149156802562231395694989534464000,
 15336188146163145199585928509793662920345600]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)