A077639 - OEIS

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A077639 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`6`
`5`		`14`
`6`		`40`
`7`		`56`
`8`		`100`
`9`		`2988`
`10`		`13200`
`11`		`805600`
`12`		`1323000`
`13`		`1744790520`
`14`		`112326337200`
`15`		`10154793943770044128560`
`16`		`26773964343922343708160`
`17`		`185027354760601080`
`18`		`1418008957437634586640`

[1,2,4,6,14,40,56,100,2988,13200,805600,1323000, 1744790520,112326337200,10154793943770044128560, 26773964343922343708160,185027354760601080, 1418008957437634586640]

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Last modified September 13 04:07 EDT 2024. Contains 375859 sequences. (Running on oeis4.)