Quotients A128452(p+1)/p for prime p = A000040(n).

Terms

a(0) =2a(1) =7a(2) =311a(3) =127a(4) =23a(5) =157a(7) =75368484119a(8) =47a(9) =9629a(10) =311a(11) =25679a(12) =821a(14) =12409a(15) =71233a(17) =2443783a(18) =2939291a(19) =71711a(20) =352883a(21) =181113265579a(22) =167a(23) =105199a(24) =3881a(25) =1314520253a(26) =619a(27) =20759a(28) =117503a(29) =1162660843