A269489 - OEIS

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A269489 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`16`
`3`		`64`
`4`		`250`
`5`		`964`
`6`		`3680`
`7`		`13946`
`8`		`52562`
`9`		`197288`
`10`		`738190`
`11`		`2755492`
`12`		`10266910`
`13`		`38201266`
`14`		`141989786`
`15`		`527337242`
`16`		`1957297844`
`17`		`7261528508`
`18`		`26930981728`
`19`		`99854569606`
`20`		`370173077224`
`21`		`1372098494764`
`22`		`5085413836406`
`23`		`18846930103274`

[4,16,64,250,964,3680,13946,52562,197288,738190, 2755492,10266910,38201266,141989786,527337242, 1957297844,7261528508,26930981728,99854569606, 370173077224,1372098494764,5085413836406, 18846930103274]

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Last modified August 2 13:08 EDT 2024. Contains 374848 sequences. (Running on oeis4.)