Primes p such that A001177(p) = (p-1)/6.

Terms

a(0) =541a(1) =709a(2) =2281a(3) =2389a(4) =2689a(5) =4861a(6) =5869a(7) =7069a(8) =8089a(9) =8761a(10) =8821a(11) =8929a(12) =9049a(13) =9601a(14) =10009a(15) =10321a(16) =10789a(17) =12421a(18) =12781a(19) =13309a(20) =13681a(21) =14341a(22) =14869a(23) =14929a(24) =16981a(25) =19309a(26) =19429a(27) =19501a(28) =19609a(29) =20389