A018192 - OEIS

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

A018192 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`11`
`5`		`70`
`6`		`607`
`7`		`6577`
`8`		`85198`
`9`		`1276563`
`10`		`21695178`
`11`		`412195167`
`12`		`8656676654`
`13`		`199125735965`
`14`		`4978810781633`
`15`		`134447283590269`
`16`		`3899543151272530`
`17`		`120903273575624821`
`18`		`3990362191131712939`
`19`		`139681113828269665499`
`20`		`5168844439275046565329`

[1,1,3,11,70,607,6577,85198,1276563,21695178, 412195167,8656676654,199125735965,4978810781633, 134447283590269,3899543151272530, 120903273575624821,3990362191131712939, 139681113828269665499,5168844439275046565329]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 9 22:30 EDT 2024. Contains 372354 sequences. (Running on oeis4.)