Numbers p such that p, 2p-1, 3p-2, 4p-3, 5p-4, 6p-5, 7p-6, 8p-7 are primes.

A336060

Numbers p such that p, 2p-1, 3p-2, 4p-3, 5p-4, 6p-5, 7p-6, 8p-7 are primes.

Terms

    a(0) =512821a(1) =22240681a(2) =26486461a(3) =99597961a(4) =593009341a(5) =1021157551a(6) =1041298441a(7) =1281196561a(8) =1349985001a(9) =1426148011a(10) =1660907431a(11) =1894757971a(12) =2544774541a(13) =3590232241a(14) =3958824871a(15) =4012463281a(16) =4219580191a(17) =4363137241a(18) =6482599411a(19) =7178651971a(20) =8051820421a(21) =8417194381

External references