A166452 - OEIS

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A166452 as a simple table

`n`		`a(n)`
`-1`		`1`
`0`		`3`
`1`		`9`
`2`		`21`
`3`		`45`
`4`		`99`
`5`		`225`
`6`		`507`
`7`		`1101`
`8`		`2295`
`9`		`4653`
`10`		`9381`
`11`		`19221`
`12`		`40491`
`13`		`87453`
`14`		`191205`
`15`		`417117`
`16`		`898119`
`17`		`1897125`
`18`		`3922977`
`19`		`7945713`
`20`		`15800367`
`21`		`30960765`
`22`		`60068235`
`23`		`116058981`
`24`		`224778159`
`25`		`439342677`
`26`		`871864317`
`27`		`1764029985`
`28`		`3643978479`
`29`		`7672441101`
`30`		`16397598555`
`31`		`35377739037`

[1,3,9,21,45,99,225,507,1101,2295,4653,9381,19221, 40491,87453,191205,417117,898119,1897125,3922977, 7945713,15800367,30960765,60068235,116058981, 224778159,439342677,871864317,1764029985, 3643978479,7672441101,16397598555,35377739037]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)