A015565 - OEIS

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

A015565 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`7`
`3`		`57`
`4`		`455`
`5`		`3641`
`6`		`29127`
`7`		`233017`
`8`		`1864135`
`9`		`14913081`
`10`		`119304647`
`11`		`954437177`
`12`		`7635497415`
`13`		`61083979321`
`14`		`488671834567`
`15`		`3909374676537`
`16`		`31274997412295`
`17`		`250199979298361`
`18`		`2001599834386887`
`19`		`16012798675095097`
`20`		`128102389400760775`

[0,1,7,57,455,3641,29127,233017,1864135,14913081, 119304647,954437177,7635497415,61083979321, 488671834567,3909374676537,31274997412295, 250199979298361,2001599834386887, 16012798675095097,128102389400760775]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 00:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)