Semiprime numbers that are sandwiched between products of exactly 4 distinct primes (or tetraprimes).

A375964

Semiprime numbers that are sandwiched between products of exactly 4 distinct primes (or tetraprimes).

Terms

    a(0) =41614a(1) =51358a(2) =55166a(3) =67066a(4) =97054a(5) =97294a(6) =100834a(7) =101914a(8) =109838a(9) =122758a(10) =126634a(11) =130646a(12) =133286a(13) =148394a(14) =154582a(15) =175594a(16) =180214a(17) =180454a(18) =184666a(19) =197086a(20) =212486a(21) =224258a(22) =226654a(23) =227446a(24) =231386a(25) =242906a(26) =258446a(27) =276394a(28) =284866a(29) =285086

External references