A253405 - OEIS

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

A253405 as a simple table

`n`		`a(n)`
`1`		`646240`
`2`		`638602`
`3`		`1489310`
`4`		`7437150`
`5`		`30756372`
`6`		`196170260`
`7`		`954233428`
`8`		`4184013494`
`9`		`23948788480`
`10`		`123736222078`
`11`		`533052293254`
`12`		`3116669936220`
`13`		`15687449192482`
`14`		`68617590941736`
`15`		`395367044525650`
`16`		`2007468414696700`
`17`		`8759855652090420`

[646240,638602,1489310,7437150,30756372,196170260, 954233428,4184013494,23948788480,123736222078, 533052293254,3116669936220,15687449192482, 68617590941736,395367044525650,2007468414696700, 8759855652090420]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)