A005209 - OEIS

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A005209 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`9`
`4`		`25`
`5`		`57`
`6`		`145`
`7`		`337`
`8`		`793`
`9`		`1921`
`10`		`3849`
`11`		`8835`
`12`		`18889`
`13`		`41473`
`14`		`92305`
`15`		`203211`
`16`		`432699`
`17`		`944313`
`18`		`2027529`
`19`		`4077769`
`20`		`8745153`
`21`		`18133305`
`22`		`37898113`
`23`		`80713737`
`24`		`169730259`
`25`		`358760457`
`26`		`750591867`
`27`		`1575313473`
`28`		`3255787851`
`29`		`6751959507`
`30`		`14108682265`
`31`		`29364255033`
`32`		`61173205587`

[1,3,9,25,57,145,337,793,1921,3849,8835,18889, 41473,92305,203211,432699,944313,2027529,4077769, 8745153,18133305,37898113,80713737,169730259, 358760457,750591867,1575313473,3255787851, 6751959507,14108682265,29364255033,61173205587]

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Last modified May 13 06:37 EDT 2024. Contains 372498 sequences. (Running on oeis4.)