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A232399 as a simple table

n a(n)
1 4
2 16
3 52
4 1120
5 13532
6 798692
7 31802528
8 5824262024
9 752183288216
10 442761087574020
11 185196365472026896
12 352995486371015148824 

[4,16,52,1120,13532,798692,31802528,5824262024,
 752183288216,442761087574020,185196365472026896,
 352995486371015148824]

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Last modified August 26 22:10 EDT 2024. Contains 375462 sequences. (Running on oeis4.)