A123642 - OEIS

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A123642 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`-1`
`2`		`-2`
`3`		`-2`
`4`		`8`
`5`		`88`
`6`		`656`
`7`		`4912`
`8`		`40064`
`9`		`362368`
`10`		`3627776`
`11`		`39914752`
`12`		`478997504`
`13`		`6227012608`
`14`		`87178274816`
`15`		`1307674335232`
`16`		`20922789822464`
`17`		`355687427964928`
`18`		`6402373705465856`
`19`		`121645100408307712`
`20`		`2432902008175591424`
`21`		`51090942171707342848`
`22`		`1124000727777603485696`

[0,-1,-2,-2,8,88,656,4912,40064,362368,3627776, 39914752,478997504,6227012608,87178274816, 1307674335232,20922789822464,355687427964928, 6402373705465856,121645100408307712, 2432902008175591424,51090942171707342848, 1124000727777603485696]

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)