A026553 - OEIS

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A026553 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`4`
`4`		`12`
`5`		`20`
`6`		`58`
`7`		`104`
`8`		`300`
`9`		`556`
`10`		`1608`
`11`		`3032`
`12`		`8806`
`13`		`16778`
`14`		`48924`
`15`		`93872`
`16`		`274644`
`17`		`529684`
`18`		`1553940`
`19`		`3008864`
`20`		`8846772`
`21`		`17184188`
`22`		`50618184`
`23`		`98577712`
`24`		`290817566`
`25`		`567591142`
`26`		`1676640462`
`27`		`3278348608`
`28`		`9694857750`
`29`		`18986482250`

[1,1,3,4,12,20,58,104,300,556,1608,3032,8806, 16778,48924,93872,274644,529684,1553940,3008864, 8846772,17184188,50618184,98577712,290817566, 567591142,1676640462,3278348608,9694857750, 18986482250]

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Last modified August 30 00:57 EDT 2024. Contains 375520 sequences. (Running on oeis4.)