A121746 - OEIS

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A121746 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`9`
`6`		`27`
`7`		`117`
`8`		`459`
`9`		`2421`
`10`		`11979`
`11`		`74421`
`12`		`443979`
`13`		`3184821`
`14`		`22216779`
`15`		`180996021`
`16`		`1444706379`
`17`		`13186615221`
`18`		`118495279179`
`19`		`1198323664821`
`20`		`11969865775179`
`21`		`132880218064821`
`22`		`1460470704175179`
`23`		`17659740362704821`

[0,1,1,3,9,27,117,459,2421,11979,74421,443979, 3184821,22216779,180996021,1444706379,13186615221, 118495279179,1198323664821,11969865775179, 132880218064821,1460470704175179, 17659740362704821]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)