A156442 - OEIS

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A156442 as a simple table

`n`		`a(n)`
`4`		`2`
`5`		`0`
`6`		`7`
`7`		`0`
`8`		`870`
`9`		`0`
`10`		`68180`
`11`		`0`
`12`		`18391220`
`13`		`0`
`14`		`10399874310`
`15`		`0`
`16`		`10075020851140`
`17`		`0`
`18`		`14707103186511120`
`19`		`0`

[2,0,7,0,870,0,68180,0,18391220,0,10399874310,0, 10075020851140,0,14707103186511120,0]

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Last modified December 7 23:30 EST 2023. Contains 367662 sequences. (Running on oeis4.)