A083309 - OEIS

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A083309 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`7`
`6`		`19`
`7`		`63`
`8`		`197`
`9`		`645`
`10`		`2172`
`11`		`7423`
`12`		`25534`
`13`		`89218`
`14`		`317284`
`15`		`1130526`
`16`		`4033648`
`17`		`14515742`
`18`		`52625952`
`19`		`191790090`
`20`		`702333340`
`21`		`2585539586`
`22`		`9570549372`
`23`		`35562602950`
`24`		`131774529663`
`25`		`491713178890`
`26`		`1842214901398`
`27`		`6909091641548`

[0,0,1,2,7,19,63,197,645,2172,7423,25534,89218, 317284,1130526,4033648,14515742,52625952, 191790090,702333340,2585539586,9570549372, 35562602950,131774529663,491713178890, 1842214901398,6909091641548]

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)