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 72.
A031570
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 72.
Terms
- a(0) =5186a(1) =5198a(2) =5218a(3) =5282a(4) =5286a(5) =5294a(6) =5298a(7) =5302a(8) =5314a(9) =5318a(10) =5326a(11) =5342a(12) =5346a(13) =5366a(14) =5374a(15) =5378a(16) =5398a(17) =5414a(18) =5422a(19) =5438a(20) =5442a(21) =5462a(22) =5474a(23) =11667a(24) =11721a(25) =11733a(26) =11757a(27) =11769a(28) =11793a(29) =11811
External references
- oeis: A031570