Smallest number whose cube begins and ends with the same n digits, and with any other digit(s) in between.
A202780
Smallest number whose cube begins and ends with the same n digits, and with any other digit(s) in between.
Terms
- a(0) =7a(1) =108a(2) =335a(3) =6667a(4) =104636a(5) =333335a(6) =4504625a(7) =70585736a(8) =333333335a(9) =1818181815a(10) =33531510511a(11) =333333333335a(12) =198817904169
External references
- oeis: A202780