A067680 - OEIS

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A067680 as a simple table

`n`		`a(n)`
`1`		`6`
`2`		`21`
`3`		`54`
`4`		`75`
`5`		`441`
`6`		`1071`
`7`		`4191`
`8`		`9315`
`9`		`58311`
`10`		`4197375`
`11`		`7685151`
`12`		`36997695`
`13`		`268460031`
`14`		`1073790975`
`15`		`17180065791`
`16`		`13517087570210304`
`17`		`18014398710808575`
`18`		`288230376957018111`

[6,21,54,75,441,1071,4191,9315,58311,4197375, 7685151,36997695,268460031,1073790975,17180065791, 13517087570210304,18014398710808575, 288230376957018111]

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