A022493 - OEIS

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A022493 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`15`
`5`		`53`
`6`		`217`
`7`		`1014`
`8`		`5335`
`9`		`31240`
`10`		`201608`
`11`		`1422074`
`12`		`10886503`
`13`		`89903100`
`14`		`796713190`
`15`		`7541889195`
`16`		`75955177642`
`17`		`810925547354`
`18`		`9148832109645`
`19`		`108759758865725`
`20`		`1358836180945243`
`21`		`17801039909762186`
`22`		`243992799075850037`
`23`		`3492329741309417600`
`24`		`52105418376516869150`
`25`		`809029109658971635142`

[1,1,2,5,15,53,217,1014,5335,31240,201608,1422074, 10886503,89903100,796713190,7541889195, 75955177642,810925547354,9148832109645, 108759758865725,1358836180945243, 17801039909762186,243992799075850037, 3492329741309417600,52105418376516869150, 809029109658971635142]

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Last modified April 23 14:15 EDT 2024. Contains 371914 sequences. (Running on oeis4.)