A030054 - OEIS

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A030054 as a simple table

`n`		`a(n)`
`4`		`1`
`5`		`11`
`6`		`78`
`7`		`455`
`8`		`2380`
`9`		`11628`
`10`		`54264`
`11`		`245157`
`12`		`1081575`
`13`		`4686825`
`14`		`20030010`
`15`		`84672315`
`16`		`354817320`
`17`		`1476337800`
`18`		`6107086800`
`19`		`25140840660`
`20`		`103077446706`
`21`		`421171648758`
`22`		`1715884494940`
`23`		`6973199770790`
`24`		`28277527346376`

[1,11,78,455,2380,11628,54264,245157,1081575, 4686825,20030010,84672315,354817320,1476337800, 6107086800,25140840660,103077446706,421171648758, 1715884494940,6973199770790,28277527346376]

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Last modified April 24 12:22 EDT 2024. Contains 371937 sequences. (Running on oeis4.)