Least number k > 0 such that 3^k contains at least an n-digit long substring of the infinite string "98765432109876543210987654...".
A243304
Least number k > 0 such that 3^k contains at least an n-digit long substring of the infinite string "98765432109876543210987654...".
Terms
- a(0) =1a(1) =5a(2) =13a(3) =50a(4) =213a(5) =536a(6) =536a(7) =536a(8) =9354a(9) =63202a(10) =117150a(11) =1314904a(12) =2572181a(13) =2572181
External references
- oeis: A243304