a(n) is the least positive exponent k such that the decimal expansion of 5^k contains n consecutive zeros.
A329172
a(n) is the least positive exponent k such that the decimal expansion of 5^k contains n consecutive zeros.
Terms
- a(0) =1a(1) =8a(2) =39a(3) =67a(4) =228a(5) =1194a(6) =3375a(7) =10052a(8) =19699a(9) =26563a(10) =26566a(11) =922553
External references
- oeis: A329172