a(n)^2 is the smallest square containing exactly n 5's.
A048350
a(n)^2 is the smallest square containing exactly n 5's.
Terms
- a(0) =5a(1) =75a(2) =235a(3) =745a(4) =22485a(5) =22925a(6) =235065a(7) =505525a(8) =2356384a(9) =23569166a(10) =227069495a(11) =674919666a(12) =3931354166a(13) =7450205075a(14) =39969432765a(15) =524933839166
External references
- oeis: A048350