A321574 - OEIS

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A321574 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`20`
`3`		`108`
`4`		`604`
`5`		`3444`
`6`		`19876`
`7`		`115644`
`8`		`676748`
`9`		`3977316`
`10`		`23451700`
`11`		`138634764`
`12`		`821221692`
`13`		`4872734676`
`14`		`28952250564`
`15`		`172222729308`
`16`		`1025461169772`
`17`		`6110912705220`
`18`		`36441840179284`
`19`		`217450403367852`
`20`		`1298228971572764`
`21`		`7754336590794804`
`22`		`46335720234364900`

[1,4,20,108,604,3444,19876,115644,676748,3977316, 23451700,138634764,821221692,4872734676, 28952250564,172222729308,1025461169772, 6110912705220,36441840179284,217450403367852, 1298228971572764,7754336590794804, 46335720234364900]

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Last modified April 24 07:54 EDT 2024. Contains 371922 sequences. (Running on oeis4.)