A006690 - OEIS

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A006690 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`56`
`3`		`7965`
`4`		`2128064`
`5`		`914929500`
`6`		`576689214816`
`7`		`500750172337212`
`8`		`572879126392178688`
`9`		`835007874759393878655`
`10`		`1510492370204314777345000`
`11`		`3320470273536658970739763334`
`12`		`8718034433102107344888781813632`
`13`		`26945647825926481227016730431025962`
`14`		`96843697086370972449408988324175689680`

[1,56,7965,2128064,914929500,576689214816, 500750172337212,572879126392178688, 835007874759393878655,1510492370204314777345000, 3320470273536658970739763334, 8718034433102107344888781813632, 26945647825926481227016730431025962, 96843697086370972449408988324175689680]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)