A270880 - OEIS

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A270880 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`3`
`6`		`0`
`7`		`1`
`8`		`28`
`9`		`28`
`10`		`0`
`11`		`1`
`12`		`400`
`13`		`1680`
`14`		`840`
`15`		`0`
`16`		`1`
`17`		`10416`
`18`		`168640`
`19`		`277760`
`20`		`83328`
`21`		`0`
`22`		`1`
`23`		`525792`
`24`		`36053248`
`25`		`159989760`
`26`		`139991040`
`27`		`27998208`
`28`		`0`
`29`		`1`
`30`		`51116992`
`31`		`17811244032`
`32`		`209056841728`
`33`		`419919790080`
`34`		`227569434624`
`35`		`32509919232`

[1,0,1,0,1,3,0,1,28,28,0,1,400,1680,840,0,1,10416, 168640,277760,83328,0,1,525792,36053248,159989760, 139991040,27998208,0,1,51116992,17811244032, 209056841728,419919790080,227569434624, 32509919232]

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Last modified May 1 20:04 EDT 2024. Contains 372176 sequences. (Running on oeis4.)