A256639 - OEIS

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A256639 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`19`
`3`		`199`
`4`		`219`
`5`		`399`
`6`		`419`
`7`		`599`
`8`		`619`
`9`		`799`
`10`		`819`
`11`		`999`
`12`		`19019`
`13`		`21199`
`14`		`39219`
`15`		`41399`
`16`		`59419`
`17`		`61599`
`18`		`79619`
`19`		`81799`
`20`		`99819`
`21`		`1901999`
`22`		`2118019`
`23`		`3922199`
`24`		`4138219`
`25`		`5942399`
`26`		`6158419`
`27`		`7962599`
`28`		`8178619`
`29`		`9982799`
`30`		`190198819`
`31`		`211802999`
`32`		`392217019`
`33`		`413823199`
`34`		`594237219`
`35`		`615843399`
`36`		`796257419`
`37`		`817863599`
`38`		`998277619`
`39`		`19019883799`

[-1,19,199,219,399,419,599,619,799,819,999,19019, 21199,39219,41399,59419,61599,79619,81799,99819, 1901999,2118019,3922199,4138219,5942399,6158419, 7962599,8178619,9982799,190198819,211802999, 392217019,413823199,594237219,615843399,796257419, 817863599,998277619,19019883799]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)