A074001 - OEIS

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A074001 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`2`
`3`		`0`
`4`		`12`
`5`		`30`
`6`		`72`
`7`		`252`
`8`		`702`
`9`		`2268`
`10`		`6480`
`11`		`19602`
`12`		`59292`
`13`		`177633`
`14`		`532170`
`15`		`1594323`
`16`		`4782969`
`17`		`14351094`
`18`		`43046721`
`19`		`129127041`
`20`		`387400806`

[0,2,0,12,30,72,252,702,2268,6480,19602,59292, 177633,532170,1594323,4782969,14351094,43046721, 129127041,387400806]

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Last modified May 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)