Numbers n such that n and n+1 are semiprimes with a semiprime number of 1's in their binary representation.

A086097

Numbers n such that n and n+1 are semiprimes with a semiprime number of 1's in their binary representation.

Terms

    a(0) =57a(1) =85a(2) =141a(3) =177a(4) =201a(5) =393a(6) =537a(7) =553a(8) =633a(9) =697a(10) =717a(11) =745a(12) =921a(13) =933a(14) =1141a(15) =1285a(16) =1345a(17) =1477a(18) =1641a(19) =1713a(20) =1761a(21) =1981a(22) =1982a(23) =2041a(24) =2181a(25) =2361a(26) =2433a(27) =2558a(28) =2577a(29) =2605

External references