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A058807 as a simple table

n a(n)
1 1
2 1
3 6
4 396
5 420000
6 9432450000
7 5571367220160000
8 103458225408290423193600
9 70288262635020872178876253470720
10 1993179010286886206697449779415040000000000
11 2650683735711909138223088071500675703191552000000000000 

[1,1,6,396,420000,9432450000,5571367220160000,
 103458225408290423193600,
 70288262635020872178876253470720,
 1993179010286886206697449779415040000000000,
 26506837357119091382230880715006757031915520000000\
 00000]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)