A000269 - OEIS

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A000269 as a simple table

`n`		`a(n)`
`3`		`3`
`4`		`16`
`5`		`67`
`6`		`251`
`7`		`888`
`8`		`3023`
`9`		`10038`
`10`		`32722`
`11`		`105228`
`12`		`334836`
`13`		`1056611`
`14`		`3311784`
`15`		`10322791`
`16`		`32026810`
`17`		`98974177`
`18`		`304835956`
`19`		`936147219`
`20`		`2867586542`
`21`		`8764280567`
`22`		`26733395986`
`23`		`81399821915`
`24`		`247459136331`
`25`		`751211286356`
`26`		`2277496842016`

[3,16,67,251,888,3023,10038,32722,105228,334836, 1056611,3311784,10322791,32026810,98974177, 304835956,936147219,2867586542,8764280567, 26733395986,81399821915,247459136331,751211286356, 2277496842016]

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Last modified May 5 06:40 EDT 2024. Contains 372257 sequences. (Running on oeis4.)