A149939 - OEIS

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A149939 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`15`
`4`		`49`
`5`		`170`
`6`		`619`
`7`		`2302`
`8`		`8723`
`9`		`33708`
`10`		`132118`
`11`		`524213`
`12`		`2099108`
`13`		`8469819`
`14`		`34428721`
`15`		`140827947`
`16`		`579195024`
`17`		`2393319428`
`18`		`9930326669`
`19`		`41361965397`
`20`		`172876964154`
`21`		`724796212419`
`22`		`3047269940521`
`23`		`12844242301182`
`24`		`54266727185459`
`25`		`229774872053471`
`26`		`974848465781183`
`27`		`4143560333822301`

[1,2,5,15,49,170,619,2302,8723,33708,132118, 524213,2099108,8469819,34428721,140827947, 579195024,2393319428,9930326669,41361965397, 172876964154,724796212419,3047269940521, 12844242301182,54266727185459,229774872053471, 974848465781183,4143560333822301]

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Last modified April 20 00:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)