A003289 - OEIS

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A003289 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`10`
`5`		`30`
`6`		`98`
`7`		`328`
`8`		`1140`
`9`		`4040`
`10`		`14542`
`11`		`53060`
`12`		`195624`
`13`		`727790`
`14`		`2728450`
`15`		`10296720`
`16`		`39084190`
`17`		`149115456`
`18`		`571504686`
`19`		`2199310460`
`20`		`8494701152`
`21`		`32919635606`
`22`		`127961125094`
`23`		`498775164568`
`24`		`1949112527750`
`25`		`7634623480172`

[1,2,4,10,30,98,328,1140,4040,14542,53060,195624, 727790,2728450,10296720,39084190,149115456, 571504686,2199310460,8494701152,32919635606, 127961125094,498775164568,1949112527750, 7634623480172]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)