A091640 - OEIS

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A091640 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`23`
`3`		`136`
`4`		`897`
`5`		`6367`
`6`		`46706`
`7`		`355148`
`8`		`2770239`
`9`		`21984207`
`10`		`176966593`
`11`		`1440765209`
`12`		`11838096715`
`13`		`98014747908`
`14`		`816769206831`

[4,23,136,897,6367,46706,355148,2770239,21984207, 176966593,1440765209,11838096715,98014747908, 816769206831]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)