A026977 - OEIS

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A026977 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`24`
`4`		`90`
`5`		`365`
`6`		`1376`
`7`		`7365`
`8`		`28002`
`9`		`121049`
`10`		`465004`
`11`		`2437089`
`12`		`9396986`
`13`		`41758527`
`14`		`162167568`
`15`		`842470494`
`16`		`3277804402`
`17`		`14798196587`
`18`		`57865149612`
`19`		`299015494394`
`20`		`1170434872374`
`21`		`5339682500573`
`22`		`20979019813768`
`23`		`107997589923134`
`24`		`424558473013940`
`25`		`1951503161793927`
`26`		`7693926097133316`

[1,4,24,90,365,1376,7365,28002,121049,465004, 2437089,9396986,41758527,162167568,842470494, 3277804402,14798196587,57865149612,299015494394, 1170434872374,5339682500573,20979019813768, 107997589923134,424558473013940,1951503161793927, 7693926097133316]

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Last modified August 17 19:38 EDT 2022. Contains 356189 sequences. (Running on oeis4.)