A149952 - OEIS

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A149952 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`15`
`4`		`50`
`5`		`180`
`6`		`672`
`7`		`2604`
`8`		`10323`
`9`		`41831`
`10`		`172429`
`11`		`720543`
`12`		`3049052`
`13`		`13030183`
`14`		`56185637`
`15`		`244129491`
`16`		`1067890597`
`17`		`4699223135`
`18`		`20788315074`
`19`		`92400789578`
`20`		`412460510507`
`21`		`1848288462615`
`22`		`8311490226015`
`23`		`37495508818308`
`24`		`169649803369283`
`25`		`769655804205711`
`26`		`3500411708041304`
`27`		`15956530625752614`

[1,2,5,15,50,180,672,2604,10323,41831,172429, 720543,3049052,13030183,56185637,244129491, 1067890597,4699223135,20788315074,92400789578, 412460510507,1848288462615,8311490226015, 37495508818308,169649803369283,769655804205711, 3500411708041304,15956530625752614]

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Last modified May 23 00:00 EDT 2024. Contains 372758 sequences. (Running on oeis4.)