A164890 - OEIS

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A164890 as a simple table

`n`		`a(n)`
`1`		`19`
`2`		`199`
`3`		`919`
`4`		`991`
`5`		`1999`
`6`		`9199`
`7`		`99991`
`8`		`199999`
`9`		`991999`
`10`		`999199`
`11`		`9999991`
`12`		`19999999`
`13`		`99991999`
`14`		`9199999999`
`15`		`11111111911`
`16`		`11119111111`
`17`		`99999199999`
`18`		`99999991999`
`19`		`111111911191`
`20`		`111191119111`
`21`		`111911191111`
`22`		`191119111111`
`23`		`991999999999`
`24`		`999999991999`
`25`		`1111111119919`
`26`		`1111111191199`
`27`		`1111111191919`
`28`		`1111111199119`

[19,199,919,991,1999,9199,99991,199999,991999, 999199,9999991,19999999,99991999,9199999999, 11111111911,11119111111,99999199999,99999991999, 111111911191,111191119111,111911191111, 191119111111,991999999999,999999991999, 1111111119919,1111111191199,1111111191919, 1111111199119]

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Last modified September 16 00:43 EDT 2024. Contains 375959 sequences. (Running on oeis4.)