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A013587 as a simple table

n a(n)
1 1
2 1
3 12
4 620
5 87304
6 26312976
7 14616808192
8 13525751027392
9 19385778269260800
10 40739017561997799680
11 120278021410937387514880
12 482113680618029292368686080
13 2551154673732472157928033617920
14 17410560213476464590484763013222400 

[1,1,12,620,87304,26312976,14616808192,
 13525751027392,19385778269260800,
 40739017561997799680,120278021410937387514880,
 482113680618029292368686080,
 2551154673732472157928033617920,
 17410560213476464590484763013222400]

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Last modified May 18 07:10 EDT 2024. Contains 372618 sequences. (Running on oeis4.)