%I A068880
%S A068880 1,16,121,1296,12321,147456,1038361,10929636,103652761,1010985616,
%T A068880 10327234129,101070583056,1010163694761
%N A068880 Smallest n-digit square with property that digits alternate in parity.
%e A068880 a(4) = 1296 as 1, 2, 9 and 6 have odd and even parity alternately.
%Y A068880 Cf. A068876, A030152.
%Y A068880 Sequence in context: A069658 A069667 A104265 this_sequence A053883 A030508 
               A006215
%Y A068880 Adjacent sequences: A068877 A068878 A068879 this_sequence A068881 A068882 
               A068883
%K A068880 base,nonn
%O A068880 1,2
%A A068880 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 19 2002
%E A068880 More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 23 
               2002