A054515 - OEIS

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A054515 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`21`
`5`		`78`
`6`		`301`
`7`		`1198`
`8`		`4888`
`9`		`20340`
`10`		`85986`
`11`		`368239`
`12`		`1594183`
`13`		`6965380`
`14`		`30675399`
`15`		`136026759`
`16`		`606848034`
`17`		`2721783023`
`18`		`12265670909`
`19`		`55511013680`
`20`		`252193872912`
`21`		`1149742659556`
`22`		`5258257323304`
`23`		`24117924005616`
`24`		`110915268468358`
`25`		`511334146237807`
`26`		`2362650323603539`

[1,1,2,6,21,78,301,1198,4888,20340,85986,368239, 1594183,6965380,30675399,136026759,606848034, 2721783023,12265670909,55511013680,252193872912, 1149742659556,5258257323304,24117924005616, 110915268468358,511334146237807,2362650323603539]

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Last modified August 28 20:13 EDT 2024. Contains 375508 sequences. (Running on oeis4.)