Lucas and Lehmer numbers with parameters (1 +- sqrt(-7))/2.

Terms

a(0) =0a(1) =1a(2) =1a(3) =-1a(4) =-3a(5) =-1a(6) =5a(7) =7a(8) =-3a(9) =-17a(10) =-11a(11) =23a(12) =45a(13) =-1a(14) =-91a(15) =-89a(16) =93a(17) =271a(18) =85a(19) =-457a(20) =-627a(21) =287a(22) =1541a(23) =967a(24) =-2115a(25) =-4049a(26) =181a(27) =8279a(28) =7917a(29) =-8641