A005325 - OEIS

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

A005325 as a simple table

`n`		`a(n)`
`5`		`1`
`6`		`6`
`7`		`27`
`8`		`104`
`9`		`369`
`10`		`1242`
`11`		`4037`
`12`		`12804`
`13`		`39897`
`14`		`122694`
`15`		`373581`
`16`		`1128816`
`17`		`3390582`
`18`		`10136556`
`19`		`30192102`
`20`		`89662216`
`21`		`265640691`
`22`		`785509362`
`23`		`2319218869`
`24`		`6839057544`
`25`		`20147488020`
`26`		`59306494520`
`27`		`174466248840`
`28`		`512987904000`
`29`		`1507780192035`
`30`		`4430417492826`
`31`		`13015498076181`

[1,6,27,104,369,1242,4037,12804,39897,122694, 373581,1128816,3390582,10136556,30192102,89662216, 265640691,785509362,2319218869,6839057544, 20147488020,59306494520,174466248840,512987904000, 1507780192035,4430417492826,13015498076181]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)