%I #2 Mar 30 2012 17:38:10
%S 2,5,6,7,9,13,15,17,23,27,29,31,33,39,43,47,51,53,55,57,61,71,77,79,
%T 83,87,89,91,99,101,107,109,115,117,121,127,129,139,141,147,149,151,
%U 167,169,173,181,185,191,197,199,201,203,205,209,213,223,227,233,239,241
%N Negabinary numbral "primes".
%C "Primes" have no other distinct divisors, up to multiplication by units. (Units are [1]=1 and [3]=-1.)
%e [2]=-2, [5]=5, [6]=2, [7]=3, [9]=-7, [13]=-3, etc
%Y A005351, A005352, A057892, A057893.
%K easy,nonn
%O 0,1
%A _Marc LeBrun_, Sep 25 2000
|