Numerator of real part of (3*i - 1)^(-n).

Terms

a(0) =1a(1) =-1a(2) =-2a(3) =13a(4) =7a(5) =-79a(6) =11a(7) =307a(8) =-527a(9) =-481a(10) =779a(11) =-3827a(12) =-11753a(13) =42641a(14) =4031a(15) =-245453a(16) =164833a(17) =897599a(18) =-430441a(19) =-1044467a(20) =9653287a(21) =-14084239a(22) =-8545549a(23) =138785587a(24) =32125393a(25) =-758178721a(26) =149387939a(27) =2595790093a(28) =-5583548873a(29) =-1811852719