A121220 - OEIS

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A121220 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`11`
`4`		`44`
`5`		`186`
`6`		`813`
`7`		`3640`
`8`		`16590`
`9`		`76663`
`10`		`358195`
`11`		`1688784`
`12`		`8022273`
`13`		`38351973`
`14`		`184353219`
`15`		`890371070`
`16`		`4318095442`
`17`		`21018564402`
`18`		`102642526470`
`19`		`502709028125`
`20`		`2468566918644`
`21`		`12150769362815`
`22`		`59937663454017`

[1,3,11,44,186,813,3640,16590,76663,358195, 1688784,8022273,38351973,184353219,890371070, 4318095442,21018564402,102642526470,502709028125, 2468566918644,12150769362815,59937663454017]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)