%I A028554
%S A028554 0,4,88,868,4554,8008,45154,89698,452254,4526254,8996998,830333038,
%T A028554 862626268,899969998,4058008504,45032023054,45229592254,89999699998,
%U A028554 405485584504,4503764673054,8187727277818,8999996999998,89178266287198
%N A028554 Palindromes of form n(n+3).
%C A028554 Also: Palindromes that are the sum of consecutive initial even composites. 
               Sequence 4 + 6 + 8 + 10 + 12 + 14 + ... + z = n. For values of z 
               see A058851. (Comment added by author 12/2000).
%H A028554 P. De Geest, <a href="http://www.worldofnumbers.com/consemor.htm">Palindromic 
               Quasipronics</a>
%H A028554 P. De Geest, <a href="http://www.worldofnumbers.com/firstpal.htm#sfn5">
               Palindromic Sums 2</a>
%Y A028554 Cf. A028553, A058851.
%Y A028554 Sequence in context: A116320 A122209 A059577 this_sequence A154137 A154136 
               A012830
%Y A028554 Adjacent sequences: A028551 A028552 A028553 this_sequence A028555 A028556 
               A028557
%K A028554 nonn,base
%O A028554 1,2
%A A028554 Patrick De Geest (pdg(AT)worldofnumbers.com)