a(n) contains n digits (either '5' or '8') and is divisible by 2^n.

A053378

a(n) contains n digits (either '5' or '8') and is divisible by 2^n.

Terms

    a(0) =8a(1) =88a(2) =888a(3) =5888a(4) =85888a(5) =885888a(6) =8885888a(7) =58885888a(8) =558885888a(9) =8558885888a(10) =58558885888a(11) =858558885888

External references