a(n) is the smallest m for which 7^m contains n consecutive identical digits.
A215730
a(n) is the smallest m for which 7^m contains n consecutive identical digits.
Terms
- a(0) =0a(1) =6a(2) =31a(3) =71a(4) =172a(5) =175a(6) =1961a(7) =6176a(8) =33836a(9) =61282a(10) =305871a(11) =856635a(12) =2135396a(13) =7291510a(14) =11032874a(15) =30775389
External references
- oeis: A215730