1,1
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)
Cf. A023548, A023553.
Sequence in context: A015653 A106199 A113289 this_sequence A112666 A014629 A062486
Adjacent sequences: A033810 A033811 A033812 this_sequence A033814 A033815 A033816
easy,nonn
Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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