A246434 - OEIS

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A246434 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`-1`
`3`		`0`
`4`		`7`
`5`		`42`
`6`		`198`
`7`		`858`
`8`		`3575`
`9`		`14586`
`10`		`58786`
`11`		`235144`
`12`		`936054`
`13`		`3714500`
`14`		`14709420`
`15`		`58169070`
`16`		`229824855`
`17`		`907513530`
`18`		`3582290250`
`19`		`14138105520`
`20`		`55795023570`
`21`		`220196403180`
`22`		`869084354580`
`23`		`3430596136500`
`24`		`13543993546902`
`25`		`53481410415972`
`26`		`211224560329748`
`27`		`834402610992048`

[-1,-1,0,7,42,198,858,3575,14586,58786,235144, 936054,3714500,14709420,58169070,229824855, 907513530,3582290250,14138105520,55795023570, 220196403180,869084354580,3430596136500, 13543993546902,53481410415972,211224560329748, 834402610992048]

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Last modified August 12 19:26 EDT 2024. Contains 375113 sequences. (Running on oeis4.)