A186735 - OEIS

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A186735 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`20`
`7`		`69`
`8`		`180`
`9`		`1930`
`10`		`12611`
`11`		`61051`
`12`		`566129`
`13`		`5179750`
`14`		`38348469`
`15`		`376547340`
`16`		`4169246332`
`17`		`41559058969`
`18`		`465750294781`
`19`		`5905176350849`
`20`		`72848728572828`
`21`		`946103621115633`
`22`		`13501160406995728`
`23`		`195518567272213262`
`24`		`2918439778172724571`
`25`		`46559546190633191495`

[1,0,0,1,1,1,20,69,180,1930,12611,61051,566129, 5179750,38348469,376547340,4169246332,41559058969, 465750294781,5905176350849,72848728572828, 946103621115633,13501160406995728, 195518567272213262,2918439778172724571, 46559546190633191495]

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Last modified May 7 04:00 EDT 2024. Contains 372300 sequences. (Running on oeis4.)