Smallest number k not divisible by 10 such that k^2 contains exactly n zeros.
A134845
Smallest number k not divisible by 10 such that k^2 contains exactly n zeros.
Terms
- a(0) =32a(1) =101a(2) =448a(3) =1001a(4) =10004a(5) =10001a(6) =100004a(7) =100001a(8) =1000004a(9) =1000001a(10) =10000004a(11) =10000001a(12) =100000004a(13) =100000001a(14) =1000000004a(15) =1000000001
External references
- oeis: A134845