Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 61.
A031649
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 61.
Terms
- a(0) =23741a(1) =75706a(2) =77365a(3) =113017a(4) =115721a(5) =158573a(6) =160169a(7) =161773a(8) =212746a(9) =215521a(10) =270689a(11) =275914a(12) =336761a(13) =339085a(14) =343757a(15) =493333a(16) =582794a(17) =584321a(18) =587381a(19) =595066a(20) =598154a(21) =599701a(22) =689629a(23) =692953a(24) =785837a(25) =789385a(26) =792941a(27) =800077a(28) =909170a(29) =911077
External references
- oeis: A031649