Least integer k such that prime(k+1) - prime(k) = 2 and prime(k+2) - prime(k+1) = 2n, or 0 if no such k exists.

A280941

Least integer k such that prime(k+1) - prime(k) = 2 and prime(k+2) - prime(k+1) = 2n, or 0 if no such k exists.

Terms

    a(0) =2a(1) =3a(2) =10a(3) =0a(4) =33a(5) =45a(6) =0a(7) =294a(8) =98a(9) =0a(10) =296a(11) =262a(12) =0a(13) =428a(14) =984a(15) =0a(16) =1456a(17) =3086a(18) =0a(19) =2343a(20) =1878a(21) =0a(22) =14938a(23) =8422a(24) =0a(25) =2809a(26) =4259a(27) =0a(28) =7809a(29) =13819

External references