A000266 - OEIS

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A000266 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`15`
`5`		`75`
`6`		`435`
`7`		`3045`
`8`		`24465`
`9`		`220185`
`10`		`2200905`
`11`		`24209955`
`12`		`290529855`
`13`		`3776888115`
`14`		`52876298475`
`15`		`793144477125`
`16`		`12690313661025`
`17`		`215735332237425`
`18`		`3883235945814225`
`19`		`73781482970470275`
`20`		`1475629660064134575`
`21`		`30988222861346826075`
`22`		`681740902935880863075`

[1,1,1,3,15,75,435,3045,24465,220185,2200905, 24209955,290529855,3776888115,52876298475, 793144477125,12690313661025,215735332237425, 3883235945814225,73781482970470275, 1475629660064134575,30988222861346826075, 681740902935880863075]

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Last modified May 5 07:59 EDT 2024. Contains 372257 sequences. (Running on oeis4.)