Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 66.
A031564
Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 66.
Terms
- a(0) =4358a(1) =4374a(2) =4382a(3) =4386a(4) =4406a(5) =4414a(6) =4418a(7) =4434a(8) =4454a(9) =4462a(10) =4478a(11) =4482a(12) =4486a(13) =4502a(14) =4518a(15) =4526a(16) =4534a(17) =4546a(18) =4562a(19) =4566a(20) =4574a(21) =4598a(22) =4614a(23) =4622a(24) =9804a(25) =9813a(26) =9876a(27) =9897a(28) =9903a(29) =9921
External references
- oeis: A031564