A090728 - OEIS

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A090728 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`20`
`2`		`398`
`3`		`7940`
`4`		`158402`
`5`		`3160100`
`6`		`63043598`
`7`		`1257711860`
`8`		`25091193602`
`9`		`500566160180`
`10`		`9986232009998`
`11`		`199224074039780`
`12`		`3974495248785602`
`13`		`79290680901672260`
`14`		`1581839122784659598`
`15`		`31557491774791519700`
`16`		`629567996373045734402`
`17`		`12559802435686123168340`

[2,20,398,7940,158402,3160100,63043598,1257711860, 25091193602,500566160180,9986232009998, 199224074039780,3974495248785602, 79290680901672260,1581839122784659598, 31557491774791519700,629567996373045734402, 12559802435686123168340]

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Last modified April 23 08:11 EDT 2024. Contains 371905 sequences. (Running on oeis4.)