A308819 - OEIS

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

A308819 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`120`
`6`		`120`
`7`		`840`
`8`		`6720`
`9`		`60480`
`10`		`60480`
`11`		`665280`
`12`		`665280`
`13`		`8648640`
`14`		`8648640`
`15`		`8648640`
`16`		`138378240`
`17`		`2352430080`
`18`		`2352430080`
`19`		`44696171520`
`20`		`44696171520`
`21`		`44696171520`
`22`		`44696171520`
`23`		`1028011944960`
`24`		`1028011944960`
`25`		`25700298624000`
`26`		`25700298624000`
`27`		`693908062848000`

[1,1,2,6,24,120,120,840,6720,60480,60480,665280, 665280,8648640,8648640,8648640,138378240, 2352430080,2352430080,44696171520,44696171520, 44696171520,44696171520,1028011944960, 1028011944960,25700298624000,25700298624000, 693908062848000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 1 17:43 EDT 2024. Contains 372175 sequences. (Running on oeis4.)