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A180710 as a simple table

n a(n)
1 1
2 3
3 28
4 504
5 26520
6 3090528
7 690908400
8 432222336000
9 543025101265920
10 1255553120600064000
11 6002949274226395545600
12 65900815978203369461760000
13 1290586365875976383280969154560
14 48847915039427778415352397535641600

[1,3,28,504,26520,3090528,690908400,432222336000,
 543025101265920,1255553120600064000,
 6002949274226395545600,65900815978203369461760000,
 1290586365875976383280969154560,
 48847915039427778415352397535641600]

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Last modified August 26 01:13 EDT 2024. Contains 375454 sequences. (Running on oeis4.)