A086947 - OEIS

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A086947 as a simple table

`n`		`a(n)`
`1`		`21`
`2`		`291`
`3`		`2991`
`4`		`29991`
`5`		`299991`
`6`		`2999991`
`7`		`29999991`
`8`		`299999991`
`9`		`2999999991`
`10`		`29999999991`
`11`		`299999999991`
`12`		`2999999999991`
`13`		`29999999999991`
`14`		`299999999999991`
`15`		`2999999999999991`
`16`		`29999999999999991`
`17`		`299999999999999991`

[21,291,2991,29991,299991,2999991,29999991, 299999991,2999999991,29999999991,299999999991, 2999999999991,29999999999991,299999999999991, 2999999999999991,29999999999999991, 299999999999999991]

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Last modified April 19 07:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)