A005775 - OEIS

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A005775 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`4`
`5`		`14`
`6`		`45`
`7`		`140`
`8`		`427`
`9`		`1288`
`10`		`3858`
`11`		`11505`
`12`		`34210`
`13`		`101530`
`14`		`300950`
`15`		`891345`
`16`		`2638650`
`17`		`7809000`
`18`		`23107488`
`19`		`68375547`
`20`		`202336092`
`21`		`598817490`
`22`		`1772479905`
`23`		`5247421410`
`24`		`15538054455`
`25`		`46019183840`
`26`		`136325212750`
`27`		`403933918375`
`28`		`1197131976846`
`29`		`3548715207534`
`30`		`10521965227669`

[1,4,14,45,140,427,1288,3858,11505,34210,101530, 300950,891345,2638650,7809000,23107488,68375547, 202336092,598817490,1772479905,5247421410, 15538054455,46019183840,136325212750,403933918375, 1197131976846,3548715207534,10521965227669]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)