A057552 - OEIS

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A057552 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`20`
`3`		`76`
`4`		`286`
`5`		`1078`
`6`		`4081`
`7`		`15521`
`8`		`59279`
`9`		`227239`
`10`		`873885`
`11`		`3370029`
`12`		`13027729`
`13`		`50469889`
`14`		`195892564`
`15`		`761615284`
`16`		`2965576714`
`17`		`11563073314`
`18`		`45141073924`
`19`		`176423482324`
`20`		`690215089744`
`21`		`2702831489824`
`22`		`10593202603774`
`23`		`41550902139550`
`24`		`163099562175850`
`25`		`640650742051802`

[1,5,20,76,286,1078,4081,15521,59279,227239, 873885,3370029,13027729,50469889,195892564, 761615284,2965576714,11563073314,45141073924, 176423482324,690215089744,2702831489824, 10593202603774,41550902139550,163099562175850, 640650742051802]

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Last modified April 16 08:27 EDT 2024. Contains 371698 sequences. (Running on oeis4.)