A144204 - OEIS

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A144204 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`-1`
`3`		`0`
`4`		`-1`
`5`		`1`
`6`		`3`
`7`		`-1`
`8`		`2`
`9`		`5`
`10`		`8`
`11`		`-1`
`12`		`3`
`13`		`7`
`14`		`11`
`15`		`15`
`16`		`-1`
`17`		`4`
`18`		`9`
`19`		`14`
`20`		`19`
`21`		`24`
`22`		`-1`
`23`		`5`
`24`		`11`
`25`		`17`
`26`		`23`
`27`		`29`
`28`		`35`
`29`		`-1`
`30`		`6`
`31`		`13`
`32`		`20`
`33`		`27`
`34`		`34`
`35`		`41`
`36`		`48`
`37`		`-1`
`38`		`7`
`39`		`15`
`40`		`23`
`41`		`31`
`42`		`39`
`43`		`47`
`44`		`55`
`45`		`63`
`46`		`-1`
`47`		`8`
`48`		`17`
`49`		`26`
`50`		`35`
`51`		`44`
`52`		`53`
`53`		`62`
`54`		`71`
`55`		`80`
`56`		`-1`
`57`		`9`
`58`		`19`
`59`		`29`
`60`		`39`
`61`		`49`
`62`		`59`
`63`		`69`
`64`		`79`
`65`		`89`
`66`		`99`
`67`		`-1`
`68`		`10`
`69`		`21`
`70`		`32`
`71`		`43`
`72`		`54`
`73`		`65`
`74`		`76`
`75`		`87`

[-1,-1,0,-1,1,3,-1,2,5,8,-1,3,7,11,15,-1,4,9,14, 19,24,-1,5,11,17,23,29,35,-1,6,13,20,27,34,41,48, -1,7,15,23,31,39,47,55,63,-1,8,17,26,35,44,53,62, 71,80,-1,9,19,29,39,49,59,69,79,89,99,-1,10,21,32, 43,54,65,76,87]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)