Least p=prime(k) for which A118123(k)=n.

Terms

a(0) =2a(1) =5a(2) =11a(3) =17a(4) =67a(5) =101a(6) =109a(7) =107a(8) =227a(9) =569a(10) =499a(11) =821a(12) =1163a(13) =2153a(14) =1489a(15) =1487a(16) =1579a(17) =4111a(18) =6841a(19) =10739a(20) =5783a(21) =21383a(22) =4729a(23) =3467a(24) =34183a(25) =58741a(26) =19319a(27) =22283a(28) =22279a(29) =22277