A071686 - OEIS

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A071686 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`8`
`4`		`2192`
`5`		`21920`
`6`		`291008`
`7`		`610688`
`8`		`2112256`
`9`		`2131456`
`10`		`2937856`
`11`		`25329664`
`12`		`230465536`
`13`		`694018048`
`14`		`2344321024`
`15`		`4688642048`
`16`		`2112421888`
`17`		`65012891648`
`18`		`650128916480`
`19`		`4494196736`
`20`		`63769149440`
`21`		`637691494400`
`22`		`23842827272192`
`23`		`276298064723968`
`24`		`420127895977984`
`25`		`4897795987210240`

[2,4,8,2192,21920,291008,610688,2112256,2131456, 2937856,25329664,230465536,694018048,2344321024, 4688642048,2112421888,65012891648,650128916480, 4494196736,63769149440,637691494400, 23842827272192,276298064723968,420127895977984, 4897795987210240]

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)