Sum of an infinite series: a(n) = Sum_{k>=0} ((k+1)*(k+2))^n/(16*(2^k)).

A080163

Sum of an infinite series: a(n) = Sum_{k>=0} ((k+1)*(k+2))^n/(16*(2^k)).

Terms

    a(0) =1a(1) =26a(2) =1636a(3) =191336a(4) =35909776a(5) =9877824416

External references