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A009700 as a simple table

n a(n)
0 0
1 2
2 16
3 432
4 23168
5 2039040
6 265344000
7 47773128704
8 11359970459648
9 3446710775119872
10 1299134788619468800
11 595445934379289804800
12 326113437715996197519360
13 210324874581761164037849088 

[0,2,16,432,23168,2039040,265344000,47773128704,
 11359970459648,3446710775119872,
 1299134788619468800,595445934379289804800,
 326113437715996197519360,
 210324874581761164037849088]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)