A074774 - OEIS

%I #5 Mar 30 2012 18:39:06

%S 1,47,311,138799,997057,58404025,433380445,1662803271215,

%T 12555303421685,762968405786159,5823841814857247,2856558096376330937,

%U 21966969165793217071,1355329065202645937843,10478887384420274295559

%N a(n) = A005148(n)/8^(b(n)-1) where b(n) denotes the number of 1's in the binary representation of n.

%C Appears to always be an integer. 8^(b(n)-1) seems also to be the highest power of 2 dividing A005148(n)

%K nonn

%O 1,2

%A _Benoit Cloitre_, Sep 29 2002