A268069 - OEIS

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A268069 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`12`
`5`		`39`
`6`		`138`
`7`		`499`
`8`		`1830`
`9`		`6723`
`10`		`24714`
`11`		`90751`
`12`		`332910`
`13`		`1219947`
`14`		`4466562`
`15`		`16340935`
`16`		`59746326`
`17`		`218334531`
`18`		`797537226`
`19`		`2912254303`
`20`		`10631252766`
`21`		`38800597851`
`22`		`141582417426`
`23`		`516549545527`
`24`		`1884336977574`
`25`		`6873201390579`

[1,2,4,12,39,138,499,1830,6723,24714,90751,332910, 1219947,4466562,16340935,59746326,218334531, 797537226,2912254303,10631252766,38800597851, 141582417426,516549545527,1884336977574, 6873201390579]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)