A264152 - OEIS

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

A264152 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`40`
`4`		`210`
`5`		`2016`
`6`		`13860`
`7`		`164736`
`8`		`1351350`
`9`		`18670080`
`10`		`174594420`
`11`		`2708858880`
`12`		`28109701620`
`13`		`479259648000`
`14`		`5421156741000`
`15`		`100069414502400`
`16`		`1218404977539750`
`17`		`24087296714342400`
`18`		`312723944235202500`
`19`		`6566957735804928000`
`20`		`90252130306279441500`
`21`		`2000107698962300928000`

[1,2,6,40,210,2016,13860,164736,1351350,18670080, 174594420,2708858880,28109701620,479259648000, 5421156741000,100069414502400,1218404977539750, 24087296714342400,312723944235202500, 6566957735804928000,90252130306279441500, 2000107698962300928000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 15:04 EDT 2024. Contains 371914 sequences. (Running on oeis4.)