A020469 - OEIS

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A020469 as a simple table

`n`		`a(n)`
`1`		`7`
`2`		`67`
`3`		`677`
`4`		`67777`
`5`		`76667`
`6`		`76777`
`7`		`666667`
`8`		`677767`
`9`		`767677`
`10`		`777677`
`11`		`6676667`
`12`		`6676777`
`13`		`6677677`
`14`		`6677767`
`15`		`6677777`
`16`		`6766667`
`17`		`6766777`
`18`		`6776677`
`19`		`7666667`
`20`		`7667677`
`21`		`7667767`
`22`		`7766767`
`23`		`7766777`
`24`		`7777667`
`25`		`66666667`
`26`		`66677777`
`27`		`66776777`
`28`		`67667777`
`29`		`67766767`
`30`		`67776677`
`31`		`67776767`

[7,67,677,67777,76667,76777,666667,677767,767677, 777677,6676667,6676777,6677677,6677767,6677777, 6766667,6766777,6776677,7666667,7667677,7667767, 7766767,7766777,7777667,66666667,66677777, 66776777,67667777,67766767,67776677,67776767]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)