a(0)=3, a(1)=105, a(2)=3567; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).

A350986

a(0)=3, a(1)=105, a(2)=3567; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).

Terms

    a(0) =3a(1) =105a(2) =3567a(3) =121173a(4) =4116315a(5) =139833537a(6) =4750223943a(7) =161367780525

External references