A149955 - OEIS

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A149955 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`15`
`4`		`51`
`5`		`184`
`6`		`693`
`7`		`2692`
`8`		`10723`
`9`		`43580`
`10`		`180097`
`11`		`754633`
`12`		`3199231`
`13`		`13698780`
`14`		`59163153`
`15`		`257435987`
`16`		`1127562315`
`17`		`4967480864`
`18`		`21997869745`
`19`		`97867848691`
`20`		`437234819487`
`21`		`1960797069698`
`22`		`8823574996525`
`23`		`39830921567888`
`24`		`180320772151815`
`25`		`818502611515670`
`26`		`3724380509908409`
`27`		`16985106168821193`

[1,2,5,15,51,184,693,2692,10723,43580,180097, 754633,3199231,13698780,59163153,257435987, 1127562315,4967480864,21997869745,97867848691, 437234819487,1960797069698,8823574996525, 39830921567888,180320772151815,818502611515670, 3724380509908409,16985106168821193]

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)