Trisection 0 of A199802.

Terms

a(0) =1a(1) =1a(2) =-7a(3) =3a(4) =32a(5) =-55a(6) =-95a(7) =399a(8) =-11a(9) =-2024a(10) =2573a(11) =7137a(12) =-22015a(13) =-9073a(14) =123712a(15) =-107499a(16) =-498119a(17) =1168399a(18) =1090985a(19) =-7323600a(20) =3535193a(21) =33005393a(22) =-59095943a(23) =-95072229a(24) =420022144a(25) =-36762335a(26) =-2099324671a(27) =2798230719a(28) =7241608157a(29) =-23295324088