Averages of twin prime pairs k such that k*13 and k/13 are squares.

Terms

a(0) =1872a(1) =7488a(2) =11700a(3) =825552a(4) =990288a(5) =1123668a(6) =1629108a(7) =3146832a(8) =3302208a(9) =4680000a(10) =6627348a(11) =7667712a(12) =8783892a(13) =15502032a(14) =16017300a(15) =16365492a(16) =17252352a(17) =25407252a(18) =32617728a(19) =42401268a(20) =42966612a(21) =54100800a(22) =66163968a(23) =71182800a(24) =73019700