A142981 - OEIS

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A142981 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`7`
`3`		`53`
`4`		`434`
`5`		`3886`
`6`		`38052`
`7`		`406260`
`8`		`4708368`
`9`		`58959216`
`10`		`794092320`
`11`		`11454567840`
`12`		`176267145600`
`13`		`2883327788160`
`14`		`49972442123520`
`15`		`914939341344000`
`16`		`17648374867200000`
`17`		`357763095454464000`
`18`		`7604722004802048000`

[1,7,53,434,3886,38052,406260,4708368,58959216, 794092320,11454567840,176267145600,2883327788160, 49972442123520,914939341344000,17648374867200000, 357763095454464000,7604722004802048000]

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Last modified August 16 16:32 EDT 2024. Contains 375177 sequences. (Running on oeis4.)