%I
%S 1,2,3,4,5,6,7,8,9,10801,11711,12621,13531,14441,15351,16261,17171,
%T 1881,0,208802,2139312,227722,2329232,246642,2519152,265562
%N Smallest palindrome beginning with n and digit sum n, or 0 if no such number exists.
%C a(19) = 0. This is the only zero in the sequence. Every other integer k > 9 has digit sum <= k/2, so the center can always be filled in to make a palindrome.
%Y Cf. A056544, A082216.
%K base,easy,nonn
%O 1,2
%A _Amarnath Murthy_ and Meenakshi Shrikant (menakan_s(AT)yahoo.com), Apr 09 2003
