A204548 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A204548 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`4`
`6`		`8`
`7`		`72`
`8`		`288`
`9`		`864`
`10`		`3456`
`11`		`35424`
`12`		`212544`
`13`		`1088640`
`14`		`6220800`
`15`		`75064320`
`16`		`600514560`
`17`		`4147200000`
`18`		`31684608000`
`19`		`440681472000`
`20`		`4406814720000`
`21`		`39103948800000`
`22`		`373098700800000`

[0,0,1,2,4,8,72,288,864,3456,35424,212544,1088640, 6220800,75064320,600514560,4147200000,31684608000, 440681472000,4406814720000,39103948800000, 373098700800000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)