A069271 - OEIS

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A069271 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`52`
`4`		`340`
`5`		`2394`
`6`		`17710`
`7`		`135720`
`8`		`1068012`
`9`		`8579560`
`10`		`70068713`
`11`		`580034052`
`12`		`4855986044`
`13`		`41043559340`
`14`		`349756577100`
`15`		`3001701610320`
`16`		`25921837477692`
`17`		`225083787458904`
`18`		`1963988670706228`
`19`		`17211860478150800`
`20`		`151433425446423120`

[1,2,9,52,340,2394,17710,135720,1068012,8579560, 70068713,580034052,4855986044,41043559340, 349756577100,3001701610320,25921837477692, 225083787458904,1963988670706228, 17211860478150800,151433425446423120]

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)