A268163 - OEIS

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

A268163 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`25`
`5`		`220`
`6`		`2485`
`7`		`34300`
`8`		`559405`
`9`		`10525900`
`10`		`224449225`
`11`		`5348843500`
`12`		`140880765025`
`13`		`4063875715900`
`14`		`127418482316125`
`15`		`4314607214417500`
`16`		`156920190449147125`
`17`		`6100643259005795500`
`18`		`252476539015516440625`
`19`		`11081983532721088487500`
`20`		`514215436341672155715625`

[0,1,1,4,25,220,2485,34300,559405,10525900, 224449225,5348843500,140880765025,4063875715900, 127418482316125,4314607214417500, 156920190449147125,6100643259005795500, 252476539015516440625,11081983532721088487500, 514215436341672155715625]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 26 06:59 EDT 2024. Contains 371990 sequences. (Running on oeis4.)