a(n+3) = a(n) - a(n+1) - a(n+2); a(0) = -5, a(1) = 6, a(2) = 0.

Terms

a(0) =-5a(1) =6a(2) =0a(3) =-11a(4) =17a(5) =-6a(6) =-22a(7) =45a(8) =-29a(9) =-38a(10) =112a(11) =-103a(12) =-47a(13) =262a(14) =-318a(15) =9a(16) =571a(17) =-898a(18) =336a(19) =1133a(20) =-2367a(21) =1570a(22) =1930a(23) =-5867a(24) =5507a(25) =2290a(26) =-13664a(27) =16881a(28) =-927a(29) =-29618