A002872 - OEIS

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A002872 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`7`
`3`		`31`
`4`		`164`
`5`		`999`
`6`		`6841`
`7`		`51790`
`8`		`428131`
`9`		`3827967`
`10`		`36738144`
`11`		`376118747`
`12`		`4086419601`
`13`		`46910207114`
`14`		`566845074703`
`15`		`7186474088735`
`16`		`95318816501420`
`17`		`1319330556537631`
`18`		`19013488408858761`
`19`		`284724852032757686`
`20`		`4422344774431494155`
`21`		`71125541977466879231`

[1,2,7,31,164,999,6841,51790,428131,3827967, 36738144,376118747,4086419601,46910207114, 566845074703,7186474088735,95318816501420, 1319330556537631,19013488408858761, 284724852032757686,4422344774431494155, 71125541977466879231]

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Last modified April 24 13:58 EDT 2024. Contains 371960 sequences. (Running on oeis4.)