%I #4 Mar 30 2012 17:30:18
%S 171,3249,13203,61731,97641,250857,354537,1172889,1855179,2152089,
%T 2354697,4766283,6736203,10970073,22284891,33894369,35248401,38265939,
%U 40889691,44739243
%N Primitive pseudo-powers to base 3.
%Y Cf. A016057.
%K nonn
%O 2,1
%A _Robert G. Wilson v_