a(0)=4, a(1)=148, a(2)=5044; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).

A350985

a(0)=4, a(1)=148, a(2)=5044; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).

Terms

    a(0) =4a(1) =148a(2) =5044a(3) =171364a(4) =5821348a(5) =197754484a(6) =6717831124a(7) =228208503748

External references