Write 2^n, 2^n+1, 2^n+2, ..., 2^(n+1)-1 in binary and add as if they were decimal numbers.
A067895
Write 2^n, 2^n+1, 2^n+2, ..., 2^(n+1)-1 in binary and add as if they were decimal numbers.
Terms
- a(0) =1a(1) =21a(2) =422a(3) =8444a(4) =168888a(5) =3377776a(6) =67555552a(7) =1351111104a(8) =27022222208a(9) =540444444416
External references
- oeis: A067895