4th differences of primes.

Terms

a(0) =3a(1) =-6a(2) =8a(3) =-8a(4) =8a(5) =-4a(6) =-6a(7) =14a(8) =-14a(9) =6a(10) =4a(11) =-4a(12) =-2a(13) =-2a(14) =12a(15) =-14a(16) =6a(17) =6a(18) =-12a(19) =10a(20) =-4a(21) =-6a(22) =8a(23) =2a(24) =-8a(25) =8a(26) =4a(27) =-28a(28) =32a(29) =-18