A189867 - OEIS

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A189867 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`0`
`4`		`2`
`5`		`10`
`6`		`0`
`7`		`0`
`8`		`0`
`9`		`0`
`10`		`48`
`11`		`152`
`12`		`472`
`13`		`2696`
`14`		`12320`
`15`		`74436`
`16`		`429620`
`17`		`2515116`
`18`		`16122496`
`19`		`113016608`
`20`		`843492920`
`21`		`6575649316`
`22`		`54694203188`

[1,0,0,2,10,0,0,0,0,48,152,472,2696,12320,74436, 429620,2515116,16122496,113016608,843492920, 6575649316,54694203188]

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Last modified May 23 03:06 EDT 2013. Contains 225585 sequences.