0,2

seq(2^(2*n)-(2*n), n=0..20);

seq(2^(2*n)-2*n, n=0..25); (Deutsch)

Bisection of A000325.

Adjacent sequences: A100100 A100101 A100102 this_sequence A100104 A100105 A100106

Sequence in context: A067125 A005038 A094780 this_sequence A054145 A001758 A037133

nonn,easy

Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Dec 26 2004