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A303109 as a simple table

n a(n)
0 0
1 1
2 7
3 109
4 3088
5 139536
6 9223776
7 839882016
8 100811243520
9 15425745960960
10 2931023414476800
11 677079576933580800
12 186875556584590540800
13 60734785332524728320000
14 22957787631482390937600000
15 9986645219749296609853440000
16 4953377739007903842686730240000
17 2778845349346570753142308208640000

[0,1,7,109,3088,139536,9223776,839882016,
 100811243520,15425745960960,2931023414476800,
 677079576933580800,186875556584590540800,
 60734785332524728320000,
 22957787631482390937600000,
 9986645219749296609853440000,
 4953377739007903842686730240000,
 2778845349346570753142308208640000]

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Last modified August 11 20:46 EDT 2024. Contains 375073 sequences. (Running on oeis4.)