%I A107250
%S A107250 1,1,2,3,5,9,16,30,54,104,191,372,692,1357,2550,5021,9508,18773,35766,
%T A107250 70755,135461,268365,515849,1023092,1973159,3916831,7575470,15048428,
%U A107250 29175431,57990158,112665488,224048847,436089113,867581269,1691392152
%N A107250 Diagonal sums of number array A107249.
%F A107250 a(n)=sum{k=0..floor(n/2), C(floor((2n-3k-2)/2), floor((n-2k)/2))}
%Y A107250 Sequence in context: A000049 A000050 A050253 this_sequence A050168 A072176 
               A047061
%Y A107250 Adjacent sequences: A107247 A107248 A107249 this_sequence A107251 A107252 
               A107253
%K A107250 easy,nonn
%O A107250 0,3
%A A107250 Paul Barry (pbarry(AT)wit.ie), May 14 2005