A043042 - OEIS

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A043042 as a simple table

`n`		`a(n)`
`1`		`7`
`2`		`77`
`3`		`707`
`4`		`717`
`5`		`727`
`6`		`737`
`7`		`747`
`8`		`757`
`9`		`767`
`10`		`777`
`11`		`787`
`12`		`797`
`13`		`7007`
`14`		`7117`
`15`		`7227`
`16`		`7337`
`17`		`7447`
`18`		`7557`
`19`		`7667`
`20`		`7777`
`21`		`7887`
`22`		`7997`
`23`		`70007`
`24`		`70107`
`25`		`70207`
`26`		`70307`
`27`		`70407`
`28`		`70507`
`29`		`70607`
`30`		`70707`
`31`		`70807`
`32`		`70907`
`33`		`71017`
`34`		`71117`
`35`		`71217`
`36`		`71317`
`37`		`71417`
`38`		`71517`
`39`		`71617`
`40`		`71717`
`41`		`71817`
`42`		`71917`

[7,77,707,717,727,737,747,757,767,777,787,797, 7007,7117,7227,7337,7447,7557,7667,7777,7887,7997, 70007,70107,70207,70307,70407,70507,70607,70707, 70807,70907,71017,71117,71217,71317,71417,71517, 71617,71717,71817,71917]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)