A299031 - OEIS

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A299031 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`3`
`4`		`18`
`5`		`60`
`6`		`252`
`7`		`1576`
`8`		`10494`
`9`		`64152`
`10`		`458400`
`11`		`3407019`
`12`		`27713928`
`13`		`225193982`
`14`		`1980444648`
`15`		`17626414158`
`16`		`165796077562`
`17`		`1593587604441`
`18`		`15985672426992`
`19`		`163422639872978`
`20`		`1729188245991060`
`21`		`18743981599820280`
`22`		`208963405365941380`
`23`		`2378065667103672024`
`24`		`27742569814633730608`

[1,1,0,3,18,60,252,1576,10494,64152,458400, 3407019,27713928,225193982,1980444648,17626414158, 165796077562,1593587604441,15985672426992, 163422639872978,1729188245991060, 18743981599820280,208963405365941380, 2378065667103672024,27742569814633730608]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)