A221704 - OEIS

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A221704 as a simple table

`n`		`a(n)`
`2`		`20`
`3`		`96`
`4`		`440`
`5`		`1956`
`6`		`8522`
`7`		`36616`
`8`		`155748`
`9`		`657468`
`10`		`2759040`
`11`		`11523584`
`12`		`47944480`
`13`		`198834824`
`14`		`822365998`
`15`		`3393330152`
`16`		`13973673788`
`17`		`57441828332`
`18`		`235759507928`
`19`		`966292212992`
`20`		`3955570350128`
`21`		`16174269135992`
`22`		`66069496614548`
`23`		`269635886185424`
`24`		`1099484607270920`
`25`		`4479870682221016`
`26`		`18240349141736352`
`27`		`74219083904054016`
`28`		`301810005706454016`

[20,96,440,1956,8522,36616,155748,657468,2759040, 11523584,47944480,198834824,822365998,3393330152, 13973673788,57441828332,235759507928,966292212992, 3955570350128,16174269135992,66069496614548, 269635886185424,1099484607270920,4479870682221016, 18240349141736352,74219083904054016, 301810005706454016]

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Last modified April 19 10:31 EDT 2024. Contains 371791 sequences. (Running on oeis4.)