Prime numbers preceded by two consecutive numbers which are products of four distinct primes (or tetraprimes).

A361796

Prime numbers preceded by two consecutive numbers which are products of four distinct primes (or tetraprimes).

Terms

    a(0) =8647a(1) =15107a(2) =20407a(3) =20771a(4) =21491a(5) =23003a(6) =23531a(7) =24767a(8) =24971a(9) =27967a(10) =29147a(11) =33287a(12) =34847a(13) =36779a(14) =42187a(15) =42407a(16) =42667a(17) =43331a(18) =43991a(19) =46807a(20) =46867a(21) =51431a(22) =52691a(23) =52747a(24) =53891a(25) =54167a(26) =58567a(27) =63247a(28) =63367a(29) =69379

External references