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 68.
A031566
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 68.
Terms
- a(0) =4626a(1) =4642a(2) =4678a(3) =4694a(4) =4702a(5) =4722a(6) =4726a(7) =4742a(8) =4766a(9) =4786a(10) =4798a(11) =4802a(12) =4806a(13) =4818a(14) =4822a(15) =4834a(16) =4838a(17) =4846a(18) =4854a(19) =4866a(20) =4882a(21) =4894a(22) =4898a(23) =10407a(24) =10446a(25) =10452a(26) =10473a(27) =10479a(28) =10497a(29) =10524
External references
- oeis: A031566