A005978 - OEIS

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A005978 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`4`
`7`		`19`
`8`		`93`
`9`		`539`
`10`		`3474`
`11`		`24856`
`12`		`192972`
`13`		`1613219`
`14`		`14410374`
`15`		`136920388`
`16`		`1378542639`
`17`		`14663082556`
`18`		`164340455701`
`19`		`1936286904952`
`20`		`23932267735948`
`21`		`309701296575063`

[0,0,0,0,1,4,19,93,539,3474,24856,192972,1613219, 14410374,136920388,1378542639,14663082556, 164340455701,1936286904952,23932267735948, 309701296575063]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)