Numbers k such that prime(k) == 1 (mod k).

Terms

a(0) =1a(1) =2a(2) =5a(3) =6a(4) =12a(5) =14a(6) =181a(7) =6459a(8) =6460a(9) =6466a(10) =100362a(11) =251712a(12) =251732a(13) =637236a(14) =10553504a(15) =10553505a(16) =10553547a(17) =10553827a(18) =10553851a(19) =10553852a(20) =69709709a(21) =69709724a(22) =69709728a(23) =69709869a(24) =69709961a(25) =69709962a(26) =179992920a(27) =179992922a(28) =179993170a(29) =465769815