A005648 - OEIS

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A005648 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`3`
`4`		`8`
`5`		`16`
`6`		`50`
`7`		`133`
`8`		`440`
`9`		`1387`
`10`		`4752`
`11`		`16159`
`12`		`56822`
`13`		`200474`
`14`		`718146`
`15`		`2587018`
`16`		`9398520`
`17`		`34324174`
`18`		`126068558`
`19`		`465093571`
`20`		`1723176308`
`21`		`6407924300`
`22`		`23910576230`
`23`		`89494164973`
`24`		`335913918902`
`25`		`1264107416466`

[1,1,2,3,8,16,50,133,440,1387,4752,16159,56822, 200474,718146,2587018,9398520,34324174,126068558, 465093571,1723176308,6407924300,23910576230, 89494164973,335913918902,1264107416466]

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