(2^(p-1) modulo p^2) + (3^(p-1) modulo p^2), where p = prime(n).

Terms

a(0) =5a(1) =4a(2) =22a(3) =58a(4) =57a(5) =145a(6) =393a(7) =401a(8) =784a(9) =466a(10) =715a(11) =705a(12) =1806a(13) =1163a(14) =2587a(15) =3129a(16) =2893a(17) =2991a(18) =1677a(19) =2416a(20) =5988a(21) =5769a(22) =9298a(23) =2672a(24) =6210a(25) =17879a(26) =14628a(27) =11879a(28) =18314a(29) =9833