Primes of the form Sum_{k=1..m} (m^k mod (m-k+1)).

Terms

a(0) =5a(1) =7a(2) =11a(3) =31a(4) =61a(5) =73a(6) =79a(7) =149a(8) =251a(9) =257a(10) =373a(11) =439a(12) =769a(13) =839a(14) =859a(15) =1031a(16) =1637a(17) =1747a(18) =3079a(19) =3877a(20) =3907a(21) =4831a(22) =5843a(23) =6343a(24) =7177a(25) =7537a(26) =8111a(27) =8669a(28) =9059a(29) =10739