a(n) is the integer whose decimal representation consists of n 8's followed by n 1's.

A184337

a(n) is the integer whose decimal representation consists of n 8's followed by n 1's.

Terms

    a(0) =0a(1) =81a(2) =8811a(3) =888111a(4) =88881111a(5) =8888811111a(6) =888888111111

External references