A003500 - OEIS

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A003500 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`4`
`2`		`14`
`3`		`52`
`4`		`194`
`5`		`724`
`6`		`2702`
`7`		`10084`
`8`		`37634`
`9`		`140452`
`10`		`524174`
`11`		`1956244`
`12`		`7300802`
`13`		`27246964`
`14`		`101687054`
`15`		`379501252`
`16`		`1416317954`
`17`		`5285770564`
`18`		`19726764302`
`19`		`73621286644`
`20`		`274758382274`
`21`		`1025412242452`
`22`		`3826890587534`
`23`		`14282150107684`
`24`		`53301709843202`
`25`		`198924689265124`

[2,4,14,52,194,724,2702,10084,37634,140452,524174, 1956244,7300802,27246964,101687054,379501252, 1416317954,5285770564,19726764302,73621286644, 274758382274,1025412242452,3826890587534, 14282150107684,53301709843202,198924689265124]

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Last modified May 7 03:12 EDT 2024. Contains 372300 sequences. (Running on oeis4.)