A003414 - OEIS

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A003414 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`0`
`3`		`-1`
`4`		`0`
`5`		`-1`
`6`		`0`
`7`		`-1`
`8`		`0`
`9`		`-2`
`10`		`13`
`11`		`-141`
`12`		`1803`
`13`		`-27414`
`14`		`487468`
`15`		`-10026348`
`16`		`236192433`
`17`		`-6317862398`
`18`		`190439655626`
`19`		`-6425425249653`
`20`		`241207241774250`
`21`		`-10020155328258127`
`22`		`458387180159766538`
`23`		`-22989944171828251746`
`24`		`1259023596072554784854`
`25`		`-75008667460769643668558`

[-1,0,-1,0,-1,0,-1,0,-2,13,-141,1803,-27414, 487468,-10026348,236192433,-6317862398, 190439655626,-6425425249653,241207241774250, -10020155328258127,458387180159766538, -22989944171828251746,1259023596072554784854, -75008667460769643668558]

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)