A012868 - OEIS

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A012868 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`-1`
`2`		`-1`
`3`		`-1`
`4`		`347`
`5`		`-1531`
`6`		`590267`
`7`		`-37723537`
`8`		`1103996977`
`9`		`-2158074791`
`10`		`328785573754709`
`11`		`-134852375996381`
`12`		`3427455470023873621`
`13`		`-13844935285148389217`
`14`		`6142449451071240707`
`15`		`-43761094586606903148089`
`16`		`37938502177281712935274975819`
`17`		`-110450564689571423030247983611`
`18`		`4389621268440117526955711378765711`

[0,-1,-1,-1,347,-1531,590267,-37723537,1103996977, -2158074791,328785573754709,-134852375996381, 3427455470023873621,-13844935285148389217, 6142449451071240707,-43761094586606903148089, 37938502177281712935274975819, -110450564689571423030247983611, 4389621268440117526955711378765711]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)