A198802 - OEIS

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A198802 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`18`
`3`		`36`
`4`		`918`
`5`		`5400`
`6`		`82800`
`7`		`801360`
`8`		`10907190`
`9`		`132053040`
`10`		`1802041668`
`11`		`24199809480`
`12`		`340640607384`
`13`		`4834708246368`
`14`		`70229958125184`
`15`		`1032223723667136`
`16`		`15391538570569590`
`17`		`231935110984687968`
`18`		`3531542904056225916`
`19`		`54244559313713885688`
`20`		`839979883121036697468`

[1,0,18,36,918,5400,82800,801360,10907190, 132053040,1802041668,24199809480,340640607384, 4834708246368,70229958125184,1032223723667136, 15391538570569590,231935110984687968, 3531542904056225916,54244559313713885688, 839979883121036697468]

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Last modified May 23 11:40 EDT 2013. Contains 225587 sequences.