A007347 - OEIS

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

A007347 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`8`
`4`		`58`
`5`		`444`
`6`		`4400`
`7`		`58140`
`8`		`785304`
`9`		`12440064`
`10`		`238904904`
`11`		`4642163952`
`12`		`101180433024`
`13`		`2549865473424`
`14`		`64728375139872`
`15`		`1797171220690560`
`16`		`56071264983487776`
`17`		`1758073054805500608`
`18`		`59321137058404865280`
`19`		`2206689692993315764416`
`20`		`82380712138316751438720`

[1,1,2,8,58,444,4400,58140,785304,12440064, 238904904,4642163952,101180433024,2549865473424, 64728375139872,1797171220690560,56071264983487776, 1758073054805500608,59321137058404865280, 2206689692993315764416,82380712138316751438720]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 20 12:27 EDT 2024. Contains 375331 sequences. (Running on oeis4.)