A006814 - OEIS

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A006814 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`21`
`4`		`76`
`5`		`249`
`6`		`814`
`7`		`2521`
`8`		`7824`
`9`		`23473`
`10`		`70590`
`11`		`207345`
`12`		`610356`
`13`		`1765959`
`14`		`511006`
`15`		`14643993`
`16`		`41958852`
`17`		`118976633`
`18`		`337823486`
`19`		`951157365`
`20`		`2681163492`
`21`		`7505218171`
`22`		`21030311474`

[1,6,21,76,249,814,2521,7824,23473,70590,207345, 610356,1765959,511006,14643993,41958852,118976633, 337823486,951157365,2681163492,7505218171, 21030311474]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)