A006722 - OEIS

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A006722 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`3`
`7`		`5`
`8`		`9`
`9`		`23`
`10`		`75`
`11`		`421`
`12`		`1103`
`13`		`5047`
`14`		`41783`
`15`		`281527`
`16`		`2534423`
`17`		`14161887`
`18`		`232663909`
`19`		`3988834875`
`20`		`45788778247`
`21`		`805144998681`
`22`		`14980361322965`
`23`		`620933643034787`
`24`		`16379818848380849`
`25`		`369622905371172929`
`26`		`20278641689337631649`
`27`		`995586066665500470689`

[1,1,1,1,1,1,3,5,9,23,75,421,1103,5047,41783, 281527,2534423,14161887,232663909,3988834875, 45788778247,805144998681,14980361322965, 620933643034787,16379818848380849, 369622905371172929,20278641689337631649, 995586066665500470689]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)