Primes p such that A001177(p) = (p-1)/9.

Terms

a(0) =199a(1) =919a(2) =6679a(3) =12979a(4) =17011a(5) =17659a(6) =20431a(7) =23059a(8) =23599a(9) =24391a(10) =24859a(11) =39079a(12) =39439a(13) =43399a(14) =48619a(15) =53479a(16) =54091a(17) =62011a(18) =62191a(19) =67411a(20) =69499a(21) =72019a(22) =72091a(23) =77419a(24) =81019a(25) =82279a(26) =91099a(27) =91459a(28) =92179a(29) =97579