A274997 - OEIS

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

A274997 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`6`
`5`		`41`
`6`		`274`
`7`		`2040`
`8`		`16346`
`9`		`143571`
`10`		`1365354`
`11`		`14056287`
`12`		`155638724`
`13`		`1847352720`
`14`		`23400880036`
`15`		`315270938501`
`16`		`4502081195166`
`17`		`67941159822229`
`18`		`1080528172834710`
`19`		`18065046986905320`
`20`		`316769071197428286`
`21`		`5813469963339136855`
`22`		`111449225620923739458`

[0,0,0,1,6,41,274,2040,16346,143571,1365354, 14056287,155638724,1847352720,23400880036, 315270938501,4502081195166,67941159822229, 1080528172834710,18065046986905320, 316769071197428286,5813469963339136855, 111449225620923739458]

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 28 00:31 EDT 2024. Contains 374672 sequences. (Running on oeis4.)