a(n) contains n digits (either '6' or '9') and is divisible by 2^n.

A053338

a(n) contains n digits (either '6' or '9') and is divisible by 2^n.

Terms

    a(0) =6a(1) =96a(2) =696a(3) =9696a(4) =69696a(5) =669696a(6) =6669696a(7) =96669696a(8) =696669696a(9) =9696669696a(10) =69696669696a(11) =969696669696

External references