%I A118802
%S A118802 1,2,11,76,565,4406,35455,291264,2427113,20436202,173435251,1481052596,
%T A118802 12711044125,109543953182,947334302951,8216780507176,71450654876625,
%U A118802 622692860482514,5437356743763163,47561030194674972,416661242790844421
%N A118802 Row squared sums of triangle A118801: a(n) = Sum_{k=0..n} A118801(n,k)^2.
%C A118802 Self-convolution of A118803.
%o A118802 (PARI) {a(n)=sum(k=0,n,(1+(-1)^k*2^(n-k+1)*sum(j=0,k\2,binomial(n-2*j-2,
               k-2*j-1)))^2)}
%Y A118802 Cf. A118801, A118803.
%Y A118802 Sequence in context: A112894 A049363 A055085 this_sequence A053481 A110329 
               A006766
%Y A118802 Adjacent sequences: A118799 A118800 A118801 this_sequence A118803 A118804 
               A118805
%K A118802 nonn
%O A118802 0,2
%A A118802 Paul D. Hanna (pauldhanna(AT)juno.com), May 02 2006