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 69.
A031567
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 69.
Terms
- a(0) =4763a(1) =4779a(2) =4783a(3) =4787a(4) =4799a(5) =4803a(6) =4811a(7) =4827a(8) =4831a(9) =4859a(10) =4871a(11) =4879a(12) =4883a(13) =4903a(14) =4919a(15) =4923a(16) =4931a(17) =4943a(18) =4947a(19) =4951a(20) =4967a(21) =4987a(22) =4991a(23) =4999a(24) =5003a(25) =5011a(26) =5023a(27) =5027a(28) =5039a(29) =19048
External references
- oeis: A031567