A074403 - OEIS

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A074403 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`6`
`5`		`16`
`6`		`45`
`7`		`128`
`8`		`448`
`9`		`1706`
`10`		`6528`
`11`		`24576`
`12`		`90110`
`13`		`327680`
`14`		`1198665`
`15`		`4438966`
`16`		`16646144`
`17`		`62914560`
`18`		`238605640`
`19`		`905969664`
`20`		`3442684722`
`21`		`13102206738`
`22`		`49977848925`
`23`		`191126044672`
`24`		`732649837760`
`25`		`2814062572336`
`26`		`10825959997440`
`27`		`41705086880768`
`28`		`160862477970870`

[0,0,2,6,16,45,128,448,1706,6528,24576,90110, 327680,1198665,4438966,16646144,62914560, 238605640,905969664,3442684722,13102206738, 49977848925,191126044672,732649837760, 2814062572336,10825959997440,41705086880768, 160862477970870]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)