%I #2 Feb 20 2005 03:00:00
%S 1,21609,22801,299209,5446183447063166809
%N Smaller of 2 squares whose corresponding digits add to give 0 or 10 and neither square ends in 0's. (The smaller of two 10-complementary squares.)
%H Contest Center, <a href="http://www.contestcen.com/digits.htm">Digit puzzles</a>
%e a(2) = 21609 is the smaller of the square pair ( 21609, 89401 ), in which the corresponding digits add to 10 or 0.
%e 1^2 = 1, 3^2=9
%K hard,nonn,base
%O 1,2
%A Sudipta Das (juitech(AT)vsnl.net), Sep 08 2002
%E More terms from Frank Rubin (contestcen(AT)aol.com), Sep 16 2002