A018213 - OEIS

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A018213 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`30`
`3`		`110`
`4`		`365`
`5`		`1001`
`6`		`2520`
`7`		`5720`
`8`		`12190`
`9`		`24310`
`10`		`46252`
`11`		`83980`
`12`		`147070`
`13`		`248710`
`14`		`408760`
`15`		`653752`
`16`		`1021735`
`17`		`1562275`
`18`		`2343770`
`19`		`3453450`
`20`		`5008003`
`21`		`7153575`
`22`		`10080720`
`23`		`14024400`
`24`		`19284460`
`25`		`26225628`
`26`		`35304920`
`27`		`47071640`

[1,5,30,110,365,1001,2520,5720,12190,24310,46252, 83980,147070,248710,408760,653752,1021735,1562275, 2343770,3453450,5008003,7153575,10080720,14024400, 19284460,26225628,35304920,47071640]

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)