A013342 - OEIS

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A013342 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`-2`
`4`		`0`
`5`		`-8`
`6`		`40`
`7`		`-226`
`8`		`896`
`9`		`-13264`
`10`		`62304`
`11`		`-1040866`
`12`		`6528896`
`13`		`-128181272`
`14`		`950205568`
`15`		`-21880956098`
`16`		`189104984064`
`17`		`-4957876255136`
`18`		`48968006626816`
`19`		`-1441276692392770`
`20`		`16013733248841728`
`21`		`-522786344819213608`

[1,0,0,-2,0,-8,40,-226,896,-13264,62304,-1040866, 6528896,-128181272,950205568,-21880956098, 189104984064,-4957876255136,48968006626816, -1441276692392770,16013733248841728, -522786344819213608]

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Last modified April 25 21:09 EDT 2024. Contains 371989 sequences. (Running on oeis4.)