a(n)=5a(n-1)-11a(n-2)+13a(n-3)-9a(n-4)+3a(n-5)-a(n-6).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =5a(7) =14a(8) =28a(9) =42a(10) =42a(11) =0a(12) =-131a(13) =-417a(14) =-924a(15) =-1652a(16) =-2380a(17) =-2380a(18) =0a(19) =7753a(20) =25213a(21) =56714a(22) =102256a(23) =147798a(24) =147798a(25) =0a(26) =-479779a(27) =-1557649a(28) =-3499720a(29) =-6305992