A228750 - OEIS

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A228750 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`20`
`3`		`126`
`4`		`780`
`5`		`4808`
`6`		`29608`
`7`		`182288`
`8`		`1122240`
`9`		`6908896`
`10`		`42533440`
`11`		`261849728`
`12`		`1612032128`
`13`		`9924194048`
`14`		`61096565760`
`15`		`376130326016`
`16`		`2315580595200`
`17`		`14255467112448`
`18`		`87761291061248`
`19`		`540287045521408`
`20`		`3326182739886080`

[3,20,126,780,4808,29608,182288,1122240,6908896, 42533440,261849728,1612032128,9924194048, 61096565760,376130326016,2315580595200, 14255467112448,87761291061248,540287045521408, 3326182739886080]

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Last modified September 8 22:43 EDT 2024. Contains 375759 sequences. (Running on oeis4.)