a(n) is the smallest m for which 5^m contains n consecutive identical digits.
A215728
a(n) is the smallest m for which 5^m contains n consecutive identical digits.
Terms
- a(0) =0a(1) =11a(2) =50a(3) =95a(4) =125a(5) =1087a(6) =2786a(7) =2790a(8) =2796a(9) =2797a(10) =2802a(11) =2803a(12) =1040703a(13) =5547565a(14) =7761841a(15) =17876345a(16) =391559459
External references
- oeis: A215728