Expansion of (1/2)*(1/(x+1)+1/(sqrt(-3*x^2-2*x+1))).

Terms

a(0) =1a(1) =0a(2) =2a(3) =3a(4) =10a(5) =25a(6) =71a(7) =196a(8) =554a(9) =1569a(10) =4477a(11) =12826a(12) =36895a(13) =106470a(14) =308114a(15) =893803a(16) =2598314a(17) =7567465a(18) =22076405a(19) =64498426a(20) =188689685a(21) =552675364a(22) =1620567764a(23) =4756614061a(24) =13974168191a(25) =41088418150a(26) =120906613076a(27) =356035078101