Numerator of Sum_{p prime, p-1|n} 1/p.

Terms

a(0) =1a(1) =5a(2) =1a(3) =31a(4) =1a(5) =41a(6) =1a(7) =31a(8) =1a(9) =61a(10) =1a(11) =3421a(12) =1a(13) =5a(14) =1a(15) =557a(16) =1a(17) =821a(18) =1a(19) =371a(20) =1a(21) =121a(22) =1a(23) =3421a(24) =1a(25) =5a(26) =1a(27) =929a(28) =1a(29) =15745