A020467 - OEIS

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A020467 as a simple table

`n`		`a(n)`
`1`		`5`
`2`		`7`
`3`		`557`
`4`		`577`
`5`		`757`
`6`		`5557`
`7`		`7577`
`8`		`7757`
`9`		`57557`
`10`		`75557`
`11`		`75577`
`12`		`77557`
`13`		`555557`
`14`		`575557`
`15`		`575777`
`16`		`577757`
`17`		`757577`
`18`		`775757`
`19`		`775777`
`20`		`5555777`
`21`		`5557757`
`22`		`5575777`
`23`		`5577577`
`24`		`5755577`
`25`		`5775557`
`26`		`5777557`
`27`		`7575577`
`28`		`7577777`
`29`		`55555777`
`30`		`55575757`
`31`		`55755757`
`32`		`55757777`
`33`		`57557557`

[5,7,557,577,757,5557,7577,7757,57557,75557,75577, 77557,555557,575557,575777,577757,757577,775757, 775777,5555777,5557757,5575777,5577577,5755577, 5775557,5777557,7575577,7577777,55555777,55575757, 55755757,55757777,57557557]

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Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)