If any power of 2 ends with k 8's and 9's, they must be the first k terms of this sequence in reverse order.

A023415

If any power of 2 ends with k 8's and 9's, they must be the first k terms of this sequence in reverse order.

Terms

    a(0) =8a(1) =8a(2) =8a(3) =9a(4) =8a(5) =9a(6) =9a(7) =8a(8) =9a(9) =8a(10) =9a(11) =8a(12) =8a(13) =9a(14) =9a(15) =8a(16) =9a(17) =8a(18) =9a(19) =9a(20) =9a(21) =8a(22) =8a(23) =8a(24) =8a(25) =9a(26) =8a(27) =8a(28) =8a(29) =8

External references