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 20.
A031608
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 20.
Terms
- a(0) =2729a(1) =5233a(2) =8362a(3) =8917a(4) =24874a(5) =29873a(6) =31973a(7) =37997a(8) =38777a(9) =46237a(10) =54818a(11) =56698a(12) =57173a(13) =58129a(14) =64129a(15) =64634a(16) =65141a(17) =66161a(18) =66674a(19) =67189a(20) =67706a(21) =68746a(22) =74713a(23) =87277a(24) =88457a(25) =89645a(26) =90841a(27) =100186a(28) =101450a(29) =104002
External references
- oeis: A031608