A027616 - OEIS

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

A027616 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`3`
`4`		`9`
`5`		`45`
`6`		`285`
`7`		`1995`
`8`		`15855`
`9`		`142695`
`10`		`1427895`
`11`		`15706845`
`12`		`188471745`
`13`		`2450132685`
`14`		`34301992725`
`15`		`514529890875`
`16`		`8232476226975`
`17`		`139952095858575`
`18`		`2519137759913775`
`19`		`47863617438361725`
`20`		`957272348112505425`
`21`		`20102719310362613925`
`22`		`442259824841726816925`
`23`		`10171975971359716789275`

[0,0,1,3,9,45,285,1995,15855,142695,1427895, 15706845,188471745,2450132685,34301992725, 514529890875,8232476226975,139952095858575, 2519137759913775,47863617438361725, 957272348112505425,20102719310362613925, 442259824841726816925,10171975971359716789275]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 24 06:08 EDT 2024. Contains 375409 sequences. (Running on oeis4.)