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A145984 as a simple table

n a(n)
0 1
1 1
2 3
3 42
4 2730
5 755160
6 843461640
7 3721953186000
8 64522032005970000
9 4400002888500992572800
10 1184554667948242228538947200
11 1263619612199094216947484552748800
12 5357410939746060240822926481246122208000
13 90477812208005548852349274940506622215042432000
14 6096020095461582468665233529742777376538325820229760000

[1,1,3,42,2730,755160,843461640,3721953186000,
 64522032005970000,4400002888500992572800,
 1184554667948242228538947200,
 1263619612199094216947484552748800,
 5357410939746060240822926481246122208000,
 90477812208005548852349274940506622215042432000,
 60960200954615824686652335297427773765383258202297\
 60000]

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Last modified September 22 21:04 EDT 2021. Contains 347608 sequences. (Running on oeis4.)