%I A033813
%S A033813 4,15,37,77,146,262,454,769,1283,2119,3476,5676,9240,15011,24353,39473,
%T A033813 63942,103538,167610,271285,439039,710475,1149672,1860312,3010156,
%U A033813 4870647,7880989,12751829,20633018,33385054
%N A033813 Convolution of natural numbers n >= 1 with Lucas numbers L(k)(A000032) 
               for k >= 3.
%F A033813 a(n)=L(6)*(F(n+1)-1)+L(5)*F(n)-L(4)*n, F(n): Fibonacci (A000045), G.F. 
               x*(4+3*x)/((1-x-x^2)*(1-x)^2)
%Y A033813 Cf. A023548, A023553.
%Y A033813 Sequence in context: A015653 A106199 A113289 this_sequence A112666 A014629 
               A062486
%Y A033813 Adjacent sequences: A033810 A033811 A033812 this_sequence A033814 A033815 
               A033816
%K A033813 easy,nonn
%O A033813 1,1
%A A033813 Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)