Number of integers m in [0..10^n-1] such that m has no digit in common with the last n digits of m^2.
A256713
Number of integers m in [0..10^n-1] such that m has no digit in common with the last n digits of m^2.
Terms
- a(0) =6a(1) =43a(2) =252a(3) =1262a(4) =5511a(5) =21152a(6) =74042a(7) =238684a(8) =725685a(9) =2104589a(10) =5895064a(11) =16057747a(12) =42805464a(13) =112213032a(14) =290287667a(15) =743123654a(16) =1886919028a(17) =4760112931
External references
- oeis: A256713