A339944 - OEIS

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A339944 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`-1`
`3`		`-1`
`4`		`-1`
`5`		`3`
`6`		`5`
`7`		`17`
`8`		`13`
`9`		`19`
`10`		`47`
`11`		`79`
`12`		`73`
`13`		`113`
`14`		`109`
`15`		`193`
`16`		`317`
`17`		`313`
`18`		`521`
`19`		`503`
`20`		`523`
`21`		`887`
`22`		`1499`
`23`		`1231`
`24`		`1319`
`25`		`1373`
`26`		`1321`
`27`		`1307`
`28`		`3947`
`29`		`2473`
`30`		`2143`
`31`		`2477`
`32`		`7369`
`33`		`5573`
`34`		`5939`
`35`		`9967`
`36`		`16111`
`37`		`18587`
`38`		`20773`
`39`		`18593`
`40`		`31883`
`41`		`17209`
`42`		`19597`
`43`		`24251`
`44`		`19609`
`45`		`25471`
`46`		`31397`
`47`		`44389`
`48`		`18803`
`49`		`38459`
`50`		`38461`
`51`		`66191`
`52`		`69557`
`53`		`103183`

[-1,-1,-1,-1,3,5,17,13,19,47,79,73,113,109,193, 317,313,521,503,523,887,1499,1231,1319,1373,1321, 1307,3947,2473,2143,2477,7369,5573,5939,9967, 16111,18587,20773,18593,31883,17209,19597,24251, 19609,25471,31397,44389,18803,38459,38461,66191, 69557,103183]

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Last modified April 19 16:38 EDT 2024. Contains 371794 sequences. (Running on oeis4.)