A012865 - OEIS

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A012865 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`-1`
`2`		`-1`
`3`		`67`
`4`		`347`
`5`		`1417`
`6`		`590267`
`7`		`35757697`
`8`		`1103996977`
`9`		`23018952061163`
`10`		`328785573754709`
`11`		`162948371578537`
`12`		`3427455470023873621`
`13`		`69202423313396946997`
`14`		`6142449451071240707`
`15`		`174086353362000718582994221`
`16`		`37938502177281712935274975819`
`17`		`110449470605872394476263205171`
`18`		`4389621268440117526955711378765711`

[0,-1,-1,67,347,1417,590267,35757697,1103996977, 23018952061163,328785573754709,162948371578537, 3427455470023873621,69202423313396946997, 6142449451071240707,174086353362000718582994221, 37938502177281712935274975819, 110449470605872394476263205171, 4389621268440117526955711378765711]

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Last modified April 19 18:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)