Number of times when an even number is encountered, when going from 2^(n+1)-1 to (2^n)-1 using the iterative process described in A071542.
A218542
Number of times when an even number is encountered, when going from 2^(n+1)-1 to (2^n)-1 using the iterative process described in A071542.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =3a(6) =8a(7) =12a(8) =23a(9) =44a(10) =86a(11) =163a(12) =308a(13) =576a(14) =1074a(15) =1991a(16) =3680a(17) =6800a(18) =12626a(19) =23644a(20) =44751a(21) =85567a(22) =164941a(23) =319694a(24) =621671a(25) =1211197a(26) =2362808a(27) =4614173a(28) =9018299a(29) =17635055
External references
- oeis: A218542