A283847 - OEIS

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A283847 as a simple table

`n`		`a(n)`
`3`		`2`
`4`		`8`
`5`		`36`
`6`		`140`
`7`		`522`
`8`		`1920`
`9`		`7030`
`10`		`25704`
`11`		`94302`
`12`		`347488`
`13`		`1286460`
`14`		`4785300`
`15`		`17879352`
`16`		`67076096`
`17`		`252579600`
`18`		`954306220`
`19`		`3616552422`
`20`		`13743371072`
`21`		`52356648380`
`22`		`199909107900`
`23`		`764873459802`
`24`		`2932022620160`
`25`		`11258982291252`

[2,8,36,140,522,1920,7030,25704,94302,347488, 1286460,4785300,17879352,67076096,252579600, 954306220,3616552422,13743371072,52356648380, 199909107900,764873459802,2932022620160, 11258982291252]

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Last modified April 24 19:24 EDT 2024. Contains 371962 sequences. (Running on oeis4.)