A005568 - OEIS

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A005568 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`10`
`3`		`70`
`4`		`588`
`5`		`5544`
`6`		`56628`
`7`		`613470`
`8`		`6952660`
`9`		`81662152`
`10`		`987369656`
`11`		`12228193432`
`12`		`154532114800`
`13`		`1986841476000`
`14`		`25928281261800`
`15`		`342787130211150`
`16`		`4583937702039300`
`17`		`61923368957373000`
`18`		`844113292629453000`
`19`		`11600528392993339800`
`20`		`160599522947154548400`
`21`		`2238236829690383152800`

[1,2,10,70,588,5544,56628,613470,6952660,81662152, 987369656,12228193432,154532114800,1986841476000, 25928281261800,342787130211150,4583937702039300, 61923368957373000,844113292629453000, 11600528392993339800,160599522947154548400, 2238236829690383152800]

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Last modified July 17 12:04 EDT 2024. Contains 374377 sequences. (Running on oeis4.)