A167108 - OEIS

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

A167108 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`42`
`3`		`252`
`4`		`1512`
`5`		`9072`
`6`		`54432`
`7`		`326592`
`8`		`1959552`
`9`		`11757312`
`10`		`70543872`
`11`		`423263232`
`12`		`2539579392`
`13`		`15237476352`
`14`		`91424858091`
`15`		`548549148420`
`16`		`3291294889785`
`17`		`19747769334300`
`18`		`118486615979340`
`19`		`710919695717280`
`20`		`4265518173351120`

[1,7,42,252,1512,9072,54432,326592,1959552, 11757312,70543872,423263232,2539579392, 15237476352,91424858091,548549148420, 3291294889785,19747769334300,118486615979340, 710919695717280,4265518173351120]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)