Coefficient of x^p (p = n-th prime) in x * Product_{k>=1} (1-x^k)^2*(1-x^11k)^2.

Terms

a(0) =-2a(1) =-1a(2) =1a(3) =-2a(4) =1a(5) =4a(6) =-2a(7) =0a(8) =-1a(9) =0a(10) =7a(11) =3a(12) =-8a(13) =-6a(14) =8a(15) =-6a(16) =5a(17) =12a(18) =-7a(19) =-3a(20) =4a(21) =-10a(22) =-6a(23) =15a(24) =-7a(25) =2a(26) =-16a(27) =18a(28) =10a(29) =9