A240688 - OEIS

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A240688 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`5`
`3`		`19`
`4`		`81`
`5`		`351`
`6`		`1553`
`7`		`6959`
`8`		`31489`
`9`		`143551`
`10`		`658305`
`11`		`3033471`
`12`		`14034177`
`13`		`65147135`
`14`		`303285505`
`15`		`1415422719`
`16`		`6620053505`
`17`		`31021657087`
`18`		`145613977601`
`19`		`684537354239`
`20`		`3222408929281`
`21`		`15187861143551`
`22`		`71663163121665`

[1,1,5,19,81,351,1553,6959,31489,143551,658305, 3033471,14034177,65147135,303285505,1415422719, 6620053505,31021657087,145613977601,684537354239, 3222408929281,15187861143551,71663163121665]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)