A106640 - OEIS

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A106640 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`11`
`4`		`36`
`5`		`117`
`6`		`393`
`7`		`1339`
`8`		`4630`
`9`		`16193`
`10`		`57201`
`11`		`203799`
`12`		`731602`
`13`		`2643903`
`14`		`9611748`
`15`		`35130195`
`16`		`129018798`
`17`		`475907913`
`18`		`1762457595`
`19`		`6550726731`
`20`		`24428808690`
`21`		`91377474411`
`22`		`342763939656`
`23`		`1289070060903`
`24`		`4859587760076`
`25`		`18360668311027`
`26`		`69514565858653`
`27`		`263693929034909`

[1,1,4,11,36,117,393,1339,4630,16193,57201,203799, 731602,2643903,9611748,35130195,129018798, 475907913,1762457595,6550726731,24428808690, 91377474411,342763939656,1289070060903, 4859587760076,18360668311027,69514565858653, 263693929034909]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)