Averages k of twin primes such that adding divisors of k to (k - 1, k + 1) produces record numbers of twin prime pairs.

A330771

Averages k of twin primes such that adding divisors of k to (k - 1, k + 1) produces record numbers of twin prime pairs.

Terms

    a(0) =4a(1) =180a(2) =6300a(3) =65520a(4) =282240a(5) =2116800a(6) =6652800a(7) =31600800a(8) =43076880a(9) =226951200a(10) =289578240a(11) =300207600a(12) =397837440a(13) =940539600a(14) =1470268800a(15) =1574773200a(16) =3602158560a(17) =7618665600a(18) =17459442000a(19) =88735046400a(20) =131675544000a(21) =149232283200a(22) =170075505600a(23) =439977938400a(24) =449755225920

External references