A104550 - OEIS

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A104550 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`20`
`4`		`104`
`5`		`552`
`6`		`2972`
`7`		`16172`
`8`		`88720`
`9`		`489872`
`10`		`2719028`
`11`		`15157188`
`12`		`84799992`
`13`		`475894200`
`14`		`2677788492`
`15`		`15102309468`
`16`		`85347160608`
`17`		`483183316512`
`18`		`2739851422820`
`19`		`15558315261812`
`20`		`88462135512712`
`21`		`503569008273992`
`22`		`2869602773253884`
`23`		`16368396446913420`
`24`		`93449566652932784`
`25`		`533954950648248752`

[1,4,20,104,552,2972,16172,88720,489872,2719028, 15157188,84799992,475894200,2677788492, 15102309468,85347160608,483183316512, 2739851422820,15558315261812,88462135512712, 503569008273992,2869602773253884, 16368396446913420,93449566652932784, 533954950648248752]

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Last modified July 18 06:23 EDT 2024. Contains 374377 sequences. (Running on oeis4.)