A123942 - OEIS

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A123942 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`15`
`4`		`71`
`5`		`340`
`6`		`1626`
`7`		`7778`
`8`		`37205`
`9`		`177966`
`10`		`851280`
`11`		`4072001`
`12`		`19477953`
`13`		`93170570`
`14`		`445670811`
`15`		`2131815570`
`16`		`10197297001`
`17`		`48777608903`
`18`		`233322137235`
`19`		`1116069871981`
`20`		`5338593130960`
`21`		`25536552265626`
`22`		`122151189577128`
`23`		`584296304368075`
`24`		`2794914830384226`

[0,1,3,15,71,340,1626,7778,37205,177966,851280, 4072001,19477953,93170570,445670811,2131815570, 10197297001,48777608903,233322137235, 1116069871981,5338593130960,25536552265626, 122151189577128,584296304368075,2794914830384226]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)