a(n) is the numerator of Sum_{i >= 0} 1/(Lucas(i)*Lucas(i+2n)), with Lucas(i) as defined in A000032.

A333208

a(n) is the numerator of Sum_{i >= 0} 1/(Lucas(i)*Lucas(i+2n)), with Lucas(i) as defined in A000032.

Terms

    a(0) =1a(1) =7a(2) =551a(3) =48091a(4) =2148268a(5) =87644575267

External references