A189856 - OEIS

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A189856 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`120`
`6`		`392`
`7`		`1810`
`8`		`10400`
`9`		`72228`
`10`		`589674`
`11`		`3823906`
`12`		`29420944`
`13`		`266232984`
`14`		`2711139976`
`15`		`30669073348`
`16`		`316482938974`

[1,2,6,24,120,392,1810,10400,72228,589674,3823906, 29420944,266232984,2711139976,30669073348, 316482938974]

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Last modified August 4 09:24 EDT 2024. Contains 374906 sequences. (Running on oeis4.)