A278074 - OEIS

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A278074 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`70`
`6`		`0`
`7`		`1`
`8`		`990`
`9`		`34650`
`10`		`0`
`11`		`1`
`12`		`16510`
`13`		`2702700`
`14`		`63063000`
`15`		`0`
`16`		`1`
`17`		`261630`
`18`		`213519150`
`19`		`17459442000`
`20`		`305540235000`
`21`		`0`
`22`		`1`
`23`		`4196350`
`24`		`17651304000`
`25`		`4350310965000`
`26`		`231905038365000`
`27`		`3246670537110000`

[1,0,1,0,1,70,0,1,990,34650,0,1,16510,2702700, 63063000,0,1,261630,213519150,17459442000, 305540235000,0,1,4196350,17651304000, 4350310965000,231905038365000,3246670537110000]

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Last modified May 1 09:02 EDT 2024. Contains 372163 sequences. (Running on oeis4.)