a(n) contains n digits (either '8' or '9') and is divisible by 2^n.

A053380

a(n) contains n digits (either '8' or '9') and is divisible by 2^n.

Terms

    a(0) =8a(1) =88a(2) =888a(3) =9888a(4) =89888a(5) =989888a(6) =9989888a(7) =89989888a(8) =989989888a(9) =8989989888a(10) =98989989888a(11) =898989989888

External references