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 69.
A031657
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 69.
Terms
- a(0) =58613a(1) =96802a(2) =98050a(3) =146045a(4) =202669a(5) =268549a(6) =348389a(7) =350753a(8) =351938a(9) =430697a(10) =433325a(11) =435961a(12) =441257a(13) =632554a(14) =640529a(15) =645338a(16) =745394a(17) =747121a(18) =752314a(19) =754049a(20) =755786a(21) =761009a(22) =764501a(23) =880573a(24) =1008857a(25) =1024985a(26) =1029037a(27) =1145861a(28) =1148002
External references
- oeis: A031657