If any power of 2 ends with k 2's and 5's, they must be the first k terms of this sequence in reverse order.
A023398
If any power of 2 ends with k 2's and 5's, they must be the first k terms of this sequence in reverse order.
Terms
- a(0) =2a(1) =5a(2) =5a(3) =5a(4) =5a(5) =2a(6) =5a(7) =5a(8) =2a(9) =2a(10) =2a(11) =2a(12) =5a(13) =5a(14) =2a(15) =2a(16) =2a(17) =2a(18) =2a(19) =5a(20) =5a(21) =5a(22) =5a(23) =2a(24) =5a(25) =5a(26) =5a(27) =2a(28) =2a(29) =5
External references
- oeis: A023398