Smallest oblong (promic) number containing exactly n 7's.

A048544

Smallest oblong (promic) number containing exactly n 7's.

Terms

    a(0) =72a(1) =11772a(2) =771762a(3) =757770a(4) =77677782a(5) =779777700a(6) =7077772770a(7) =778777127772

External references