A015251 - OEIS

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

A015251 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`7`
`4`		`70`
`5`		`610`
`6`		`5551`
`7`		`49777`
`8`		`448540`
`9`		`4035220`
`10`		`36321901`
`11`		`326882347`
`12`		`2941985410`
`13`		`26477735830`
`14`		`238300021051`
`15`		`2144698993717`
`16`		`19302294530680`
`17`		`173720640014440`
`18`		`1563485792415001`
`19`		`14071372034879887`

[1,7,70,610,5551,49777,448540,4035220,36321901, 326882347,2941985410,26477735830,238300021051, 2144698993717,19302294530680,173720640014440, 1563485792415001,14071372034879887]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)