A048120 - OEIS

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A048120 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`6`
`5`		`24`
`6`		`84`
`7`		`312`
`8`		`1140`
`9`		`4248`
`10`		`15852`
`11`		`59688`
`12`		`225624`
`13`		`857424`
`14`		`3270216`
`15`		`12518472`
`16`		`48062520`
`17`		`185034360`
`18`		`714038448`
`19`		`2761343064`
`20`		`10698992304`
`21`		`41525207448`
`22`		`161418403008`
`23`		`628356425856`
`24`		`2449152822168`
`25`		`9557303840184`

[0,0,2,6,24,84,312,1140,4248,15852,59688,225624, 857424,3270216,12518472,48062520,185034360, 714038448,2761343064,10698992304,41525207448, 161418403008,628356425856,2449152822168, 9557303840184]

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Last modified April 19 03:57 EDT 2024. Contains 371782 sequences. (Running on oeis4.)