A000242 - OEIS

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A000242 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`3`
`5`		`9`
`6`		`25`
`7`		`69`
`8`		`186`
`9`		`503`
`10`		`1353`
`11`		`3651`
`12`		`9865`
`13`		`26748`
`14`		`72729`
`15`		`198447`
`16`		`543159`
`17`		`1491402`
`18`		`4107152`
`19`		`11342826`
`20`		`31408719`
`21`		`87189987`
`22`		`242603970`
`23`		`676524372`
`24`		`1890436117`
`25`		`5292722721`
`26`		`14845095153`
`27`		`41708679697`
`28`		`117372283086`
`29`		`330795842217`

[1,3,9,25,69,186,503,1353,3651,9865,26748,72729, 198447,543159,1491402,4107152,11342826,31408719, 87189987,242603970,676524372,1890436117, 5292722721,14845095153,41708679697,117372283086, 330795842217]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)