A217699 - OEIS

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A217699 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`12`
`5`		`36`
`6`		`112`
`7`		`360`
`8`		`1185`
`9`		`3970`
`10`		`13510`
`11`		`46564`
`12`		`162212`
`13`		`570256`
`14`		`2020512`
`15`		`7208015`
`16`		`25868510`
`17`		`93331707`
`18`		`338328434`
`19`		`1231650330`
`20`		`4500857724`
`21`		`16504664528`
`22`		`60713760264`
`23`		`223985185896`
`24`		`828514954047`
`25`		`3072130220310`
`26`		`11417124679980`
`27`		`42518719357968`
`28`		`158652141816560`

[1,1,2,4,12,36,112,360,1185,3970,13510,46564, 162212,570256,2020512,7208015,25868510,93331707, 338328434,1231650330,4500857724,16504664528, 60713760264,223985185896,828514954047, 3072130220310,11417124679980,42518719357968, 158652141816560]

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Last modified July 13 17:08 EDT 2024. Contains 374284 sequences. (Running on oeis4.)