Search: id:A124746 Results 1-1 of 1 results found. %I A124746 %S A124746 1,0,1,0,1,1,1,1,1,2,2,2,2,3,4,4,4,5,7,8,8,9,12,15,16,17,21,27,31,33,38, %T A124746 48,58,64,71,86,106,122,135,157,192,228,257,292,349,420,485,549,641,769, %U A124746 905,1034,1190,1410,1674 %V A124746 1,0,1,0,1,-1,1,-1,1,-2,2,-2,2,-3,4,-4,4,-5,7,-8,8,-9,12,-15,16,-17,21, -27,31,-33,38, %W A124746 -48,58,-64,71,-86,106,-122,135,-157,192,-228,257,-292,349,-420,485,-549, 641,-769,905, %X A124746 -1034,1190,-1410,1674 %N A124746 Expansion of (1+x^2)/(1-x^4+x^5). %C A124746 Diagonal sums of A124744. %F A124746 a(n)=sum{k=0..floor(n/2), C(floor(k/2),n-2k)*(-1)^n} %Y A124746 Sequence in context: A025774 A001156 A035451 this_sequence A124789 A103372 A029082 %Y A124746 Adjacent sequences: A124743 A124744 A124745 this_sequence A124747 A124748 A124749 %K A124746 easy,sign %O A124746 0,10 %A A124746 Paul Barry (pbarry(AT)wit.ie), Nov 06 2006 Search completed in 0.001 seconds