Inverse Euler transform of odd primes.

Terms

a(0) =3a(1) =-1a(2) =0a(3) =2a(4) =-4a(5) =6a(6) =-8a(7) =7a(8) =0a(9) =-14a(10) =40a(11) =-73a(12) =88a(13) =-70a(14) =-4a(15) =194a(16) =-524a(17) =926a(18) =-1234a(19) =1078a(20) =140a(21) =-3038a(22) =7900a(23) =-14065a(24) =18858a(25) =-16368a(26) =-2710a(27) =48861a(28) =-127826a(29) =228788