A045406 - OEIS

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A045406 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`3`
`4`		`-1`
`5`		`0`
`6`		`4`
`7`		`-28`
`8`		`188`
`9`		`-1368`
`10`		`11016`
`11`		`-98208`
`12`		`964512`
`13`		`-10370880`
`14`		`121337280`
`15`		`-1535880960`
`16`		`20924455680`
`17`		`-305396421120`
`18`		`4755302899200`
`19`		`-78700195123200`
`20`		`1379748896870400`
`21`		`-25546854999859200`
`22`		`498194992408780800`
`23`		`-10207190048993280000`
`24`		`219216795045212160000`

[1,3,-1,0,4,-28,188,-1368,11016,-98208,964512, -10370880,121337280,-1535880960,20924455680, -305396421120,4755302899200,-78700195123200, 1379748896870400,-25546854999859200, 498194992408780800,-10207190048993280000, 219216795045212160000]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)