A267678 - OEIS

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

A267678 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`20`
`3`		`104`
`4`		`468`
`5`		`1960`
`6`		`8020`
`7`		`32424`
`8`		`130388`
`9`		`522920`
`10`		`2094420`
`11`		`8383144`
`12`		`33543508`
`13`		`134195880`
`14`		`536827220`
`15`		`2147396264`
`16`		`8589759828`
`17`		`34359388840`
`18`		`137438254420`
`19`		`549754415784`
`20`		`2199020459348`
`21`		`8796087429800`
`22`		`35184360904020`
`23`		`140737465985704`
`24`		`562949908682068`

[1,2,20,104,468,1960,8020,32424,130388,522920, 2094420,8383144,33543508,134195880,536827220, 2147396264,8589759828,34359388840,137438254420, 549754415784,2199020459348,8796087429800, 35184360904020,140737465985704,562949908682068]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)