A217858 - OEIS

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

A217858 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`3`
`5`		`15`
`6`		`15`
`7`		`105`
`8`		`105`
`9`		`315`
`10`		`315`
`11`		`3465`
`12`		`3465`
`13`		`45045`
`14`		`45045`
`15`		`45045`
`16`		`45045`
`17`		`765765`
`18`		`765765`
`19`		`14549535`
`20`		`14549535`
`21`		`14549535`
`22`		`14549535`
`23`		`334639305`
`24`		`334639305`
`25`		`1673196525`
`26`		`1673196525`
`27`		`5019589575`
`28`		`5019589575`
`29`		`145568097675`
`30`		`145568097675`
`31`		`4512611027925`
`32`		`4512611027925`
`33`		`4512611027925`

[1,1,3,3,15,15,105,105,315,315,3465,3465,45045, 45045,45045,45045,765765,765765,14549535,14549535, 14549535,14549535,334639305,334639305,1673196525, 1673196525,5019589575,5019589575,145568097675, 145568097675,4512611027925,4512611027925, 4512611027925]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 07:42 EDT 2024. Contains 371905 sequences. (Running on oeis4.)