A009243 - OEIS

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A009243 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`2`
`3`		`3`
`4`		`12`
`5`		`45`
`6`		`222`
`7`		`1239`
`8`		`7672`
`9`		`54873`
`10`		`416410`
`11`		`3577739`
`12`		`32324292`
`13`		`322495173`
`14`		`3382216502`
`15`		`38370542175`
`16`		`457713511280`
`17`		`5817952885169`
`18`		`77686268202162`
`19`		`1093812528874387`
`20`		`16145162631579900`
`21`		`249472828725529437`
`22`		`4030053480328871182`
`23`		`67807763939709678951`

[0,1,2,3,12,45,222,1239,7672,54873,416410,3577739, 32324292,322495173,3382216502,38370542175, 457713511280,5817952885169,77686268202162, 1093812528874387,16145162631579900, 249472828725529437,4030053480328871182, 67807763939709678951]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)