A027148 - OEIS

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A027148 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`20`
`4`		`152`
`5`		`528`
`6`		`4416`
`7`		`15488`
`8`		`135552`
`9`		`477440`
`10`		`4289536`
`11`		`15144960`
`12`		`138407936`
`13`		`489431040`
`14`		`4526702592`
`15`		`16024403968`
`16`		`149528084480`
`17`		`529747476480`
`18`		`4977103994880`
`19`		`17643662213120`
`20`		`166668216041472`
`21`		`591119702294528`
`22`		`5608619676532736`

[1,6,20,152,528,4416,15488,135552,477440,4289536, 15144960,138407936,489431040,4526702592, 16024403968,149528084480,529747476480, 4977103994880,17643662213120,166668216041472, 591119702294528,5608619676532736]

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Last modified April 25 16:42 EDT 2024. Contains 371989 sequences. (Running on oeis4.)