A009449 - OEIS

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A009449 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-2`
`3`		`6`
`4`		`-23`
`5`		`99`
`6`		`-379`
`7`		`-262`
`8`		`43940`
`9`		`-1040942`
`10`		`21148764`
`11`		`-425218324`
`12`		`8815744554`
`13`		`-191341725498`
`14`		`4373089531474`
`15`		`-105434549548356`
`16`		`2681427980474560`
`17`		`-71863978166452700`
`18`		`2026733667001278600`
`19`		`-60049911134969228680`

[0,1,-2,6,-23,99,-379,-262,43940,-1040942, 21148764,-425218324,8815744554,-191341725498, 4373089531474,-105434549548356,2681427980474560, -71863978166452700,2026733667001278600, -60049911134969228680]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)