A249786 - OEIS

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A249786 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-2`
`3`		`6`
`4`		`-48`
`5`		`360`
`6`		`-4800`
`7`		`58800`
`8`		`-1088640`
`9`		`18627840`
`10`		`-440294400`
`11`		`9699782400`
`12`		`-278672486400`
`13`		`7519473561600`
`14`		`-254211897139200`
`15`		`8123999659776000`
`16`		`-315817889587200000`
`17`		`11668326078689280000`
`18`		`-512656874530504704000`
`19`		`21503534793369108480000`
`20`		`-1053509824992697712640000`

[1,1,-2,6,-48,360,-4800,58800,-1088640,18627840, -440294400,9699782400,-278672486400,7519473561600, -254211897139200,8123999659776000, -315817889587200000,11668326078689280000, -512656874530504704000,21503534793369108480000, -1053509824992697712640000]

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Last modified September 13 00:40 EDT 2024. Contains 375857 sequences. (Running on oeis4.)