a(1) = 1, a(n) = number obtained by replacing each digit of a(n-1) with its double.
A061581
a(1) = 1, a(n) = number obtained by replacing each digit of a(n-1) with its double.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =212a(6) =424a(7) =848a(8) =16816a(9) =21216212a(10) =424212424a(11) =848424848
External references
- oeis: A061581