A014528 - OEIS

%I #4 Mar 30 2012 16:45:58

%S 1,2,5,6,7,10,11,13,14,15,17,18,19,21,22,23,25,26,29,30,31,33,34,35,

%T 37,38,39,41,42,43,45,46,47,49,50,51,53,54,55,57,58,59,61,62,63,65,66,

%U 67,69,70,71,73,74,75

%N Neither == 0 (mod 4) nor a power of 3.

%D Cannon and Playoust, An Introduction to MAGMA, Section 6.3.1.

%K nonn

%O 0,2

%A _N. J. A. Sloane_.