A143403 - OEIS

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

A143403 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`1`
`9`		`108`
`10`		`6510`
`11`		`289080`
`12`		`10550067`
`13`		`335170836`
`14`		`9597839680`
`15`		`253489991040`
`16`		`6275077781973`
`17`		`147318890173884`
`18`		`3309320153700210`
`19`		`71623038281001480`
`20`		`1501654449863348119`
`21`		`30633757929391948452`
`22`		`610246760750629071300`
`23`		`11906371167306982146000`

[0,0,0,0,0,0,0,0,1,108,6510,289080,10550067, 335170836,9597839680,253489991040,6275077781973, 147318890173884,3309320153700210, 71623038281001480,1501654449863348119, 30633757929391948452,610246760750629071300, 11906371167306982146000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 15:04 EDT 2024. Contains 371914 sequences. (Running on oeis4.)