A vector recursion sequence: k = -3; m = 3; l = -3; a(n)=k*{0,a(n-2),0}+m*{-(m-1)/m,a(n-1)}++m*{a(n-1),-(m-1)/m}+l*{0,0,a(n-4),0,0}.

A152655

A vector recursion sequence: k = -3; m = 3; l = -3; a(n)=k*{0,a(n-2),0}+m*{-(m-1)/m,a(n-1)}++m*{a(n-1),-(m-1)/m}+l*{0,0,a(n-4),0,0}.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =9a(8) =9a(9) =1a(10) =1a(11) =27a(12) =42a(13) =27a(14) =1a(15) =1a(16) =81a(17) =177a(18) =177a(19) =81a(20) =1a(21) =1a(22) =243a(23) =690a(24) =927a(25) =690a(26) =243a(27) =1a(28) =1a(29) =729

External references