a(n) = Sum_{k = 0..n} C(n,k)^8.A182422a(n) = Sum_{k = 0..n} C(n,k)^8.Terms a(0) =1a(1) =2a(2) =258a(3) =13124a(4) =1810690a(5) =200781252a(6) =30729140484External referencesoeis: A182422