A104018 - OEIS

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

A104018 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`28`
`5`		`180`
`6`		`1448`
`7`		`13944`
`8`		`156592`
`9`		`2010000`
`10`		`29026592`
`11`		`465749856`
`12`		`8220541888`
`13`		`158283827520`
`14`		`3301678947968`
`15`		`74168218575744`
`16`		`1785106271372032`
`17`		`45828856887701760`
`18`		`1250094695454351872`

[0,1,2,6,28,180,1448,13944,156592,2010000, 29026592,465749856,8220541888,158283827520, 3301678947968,74168218575744,1785106271372032, 45828856887701760,1250094695454351872]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)