A143967 - OEIS

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A143967 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`7`
`3`		`33`
`4`		`37`
`5`		`73`
`6`		`77`
`7`		`333`
`8`		`337`
`9`		`373`
`10`		`377`
`11`		`733`
`12`		`737`
`13`		`773`
`14`		`777`
`15`		`3333`
`16`		`3337`
`17`		`3373`
`18`		`3377`
`19`		`3733`
`20`		`3737`
`21`		`3773`
`22`		`3777`
`23`		`7333`
`24`		`7337`
`25`		`7373`
`26`		`7377`
`27`		`7733`
`28`		`7737`
`29`		`7773`
`30`		`7777`
`31`		`33333`
`32`		`33337`
`33`		`33373`
`34`		`33377`
`35`		`33733`
`36`		`33737`
`37`		`33773`
`38`		`33777`
`39`		`37333`
`40`		`37337`
`41`		`37373`
`42`		`37377`

[3,7,33,37,73,77,333,337,373,377,733,737,773,777, 3333,3337,3373,3377,3733,3737,3773,3777,7333,7337, 7373,7377,7733,7737,7773,7777,33333,33337,33373, 33377,33733,33737,33773,33777,37333,37337,37373, 37377]

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Last modified September 11 01:27 EDT 2024. Contains 375813 sequences. (Running on oeis4.)