A108704 - OEIS

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A108704 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`18`
`4`		`126`
`5`		`1110`
`6`		`12120`
`7`		`156660`
`8`		`2341500`
`9`		`39701340`
`10`		`752839920`
`11`		`15785181720`
`12`		`362606123880`
`13`		`9055825538760`
`14`		`244296192460320`
`15`		`7079382509799600`
`16`		`219321853964413200`
`17`		`7233629128601475600`
`18`		`253054306933115688000`
`19`		`9358989706213886138400`
`20`		`364860828050107348159200`

[1,1,4,18,126,1110,12120,156660,2341500,39701340, 752839920,15785181720,362606123880,9055825538760, 244296192460320,7079382509799600, 219321853964413200,7233629128601475600, 253054306933115688000,9358989706213886138400, 364860828050107348159200]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)