A028423 - OEIS

%I #4 Mar 30 2012 17:20:43

%S 1,6,7,52,53,54,55,120,121,122,123,124,125,126,127,1680,1681,1682,

%T 1683,1684,1685,1686,1687,1688,1689,1690,1691,1692,1693,1694,1695,

%U 3424,3425,3426,3427,3428,3429,3430,3431,3432,3433,3434,3435,3436

%N Clog sequence in base 2. Right to left concatenation of n,int(log_2(n)),int(log_2(int(log_2(n)))),... in base 2.

%K nonn,base,easy

%O 1,2

%A _Olivier Gérard_