Smallest number appearing exactly n times in the concatenation of all integers from 1 to itself.
A176779
Smallest number appearing exactly n times in the concatenation of all integers from 1 to itself.
Terms
- a(0) =1a(1) =12a(2) =121a(3) =1011a(4) =1121a(5) =10111a(6) =11121a(7) =109911a(8) =111311a(9) =111211a(10) =1101111a(11) =1112211a(12) =1111211a(13) =11011111a(14) =11192111a(15) =11111211a(16) =11112111a(17) =111011111a(18) =111113111a(19) =111122111a(20) =111112111a(21) =1110111111a(22) =1111122111a(23) =1111921111a(24) =1111112111
External references
- oeis: A176779