A004304 - OEIS

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A004304 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`2`
`3`		`6`
`4`		`28`
`5`		`160`
`6`		`1036`
`7`		`7294`
`8`		`54548`
`9`		`426960`
`10`		`3463304`
`11`		`28910816`
`12`		`247104976`
`13`		`2154192248`
`14`		`19097610480`
`15`		`171769942086`
`16`		`1564484503044`
`17`		`14407366963440`
`18`		`133978878618904`
`19`		`1256799271555872`
`20`		`11881860129979440`

[1,2,2,6,28,160,1036,7294,54548,426960,3463304, 28910816,247104976,2154192248,19097610480, 171769942086,1564484503044,14407366963440, 133978878618904,1256799271555872, 11881860129979440]

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Last modified April 25 11:03 EDT 2024. Contains 371967 sequences. (Running on oeis4.)