A007228 - OEIS

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A007228 as a simple table

`n`		`a(n)`
`0`		`3`
`1`		`6`
`2`		`28`
`3`		`165`
`4`		`1092`
`5`		`7752`
`6`		`57684`
`7`		`444015`
`8`		`3506100`
`9`		`28242984`
`10`		`231180144`
`11`		`1917334783`
`12`		`16077354108`
`13`		`136074334200`
`14`		`1160946392760`
`15`		`9973891723635`
`16`		`86210635955220`
`17`		`749191930237608`
`18`		`6541908910355280`
`19`		`57369142749576660`
`20`		`505045163173167760`
`21`		`4461713825057817120`

[3,6,28,165,1092,7752,57684,444015,3506100, 28242984,231180144,1917334783,16077354108, 136074334200,1160946392760,9973891723635, 86210635955220,749191930237608,6541908910355280, 57369142749576660,505045163173167760, 4461713825057817120]

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Last modified April 24 16:52 EDT 2024. Contains 371962 sequences. (Running on oeis4.)