A260296 - OEIS

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

A260296 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`22`
`4`		`218`
`5`		`3028`
`6`		`55540`
`7`		`1235526`
`8`		`32434108`
`9`		`980179566`
`10`		`33522177088`
`11`		`1279935820810`
`12`		`53970628896500`
`13`		`2490952020480012`
`14`		`124903451391713412`
`15`		`6761440164391403896`
`16`		`393008709559373134184`
`17`		`24412776311194951680016`
`18`		`1613955767240361647220648`
`19`		`113146793787569865523200018`
`20`		`8384177419658944198600637096`

[1,4,22,218,3028,55540,1235526,32434108,980179566, 33522177088,1279935820810,53970628896500, 2490952020480012,124903451391713412, 6761440164391403896,393008709559373134184, 24412776311194951680016,1613955767240361647220648, 113146793787569865523200018, 8384177419658944198600637096]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 18:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)