A027042 - OEIS

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A027042 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`11`
`4`		`52`
`5`		`225`
`6`		`920`
`7`		`3695`
`8`		`14464`
`9`		`55593`
`10`		`210776`
`11`		`789995`
`12`		`2933380`
`13`		`10807625`
`14`		`39556316`
`15`		`143958335`
`16`		`521340016`
`17`		`1879901265`
`18`		`6753038624`
`19`		`24176722555`
`20`		`86294777316`
`21`		`307179518193`
`22`		`1090771084252`
`23`		`3864614381391`
`24`		`13664531314176`
`25`		`48225146757337`
`26`		`169905685271956`
`27`		`597661852713467`

[1,4,11,52,225,920,3695,14464,55593,210776,789995, 2933380,10807625,39556316,143958335,521340016, 1879901265,6753038624,24176722555,86294777316, 307179518193,1090771084252,3864614381391, 13664531314176,48225146757337,169905685271956, 597661852713467]

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Last modified April 19 08:08 EDT 2024. Contains 371782 sequences. (Running on oeis4.)