A012249 - OEIS

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

A012249 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`24`
`5`		`154`
`6`		`1280`
`7`		`13005`
`8`		`156800`
`9`		`2189726`
`10`		`34793472`
`11`		`620169186`
`12`		`12259602432`
`13`		`266267950740`
`14`		`6304157663232`
`15`		`161624247752253`
`16`		`4461403146190848`
`17`		`131936409635518774`
`18`		`4161949856324648960`
`19`		`139508340802911502422`
`20`		`4952126960969786064896`

[1,2,5,24,154,1280,13005,156800,2189726,34793472, 620169186,12259602432,266267950740,6304157663232, 161624247752253,4461403146190848, 131936409635518774,4161949856324648960, 139508340802911502422,4952126960969786064896]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)