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 54.
A031642
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 54.
Terms
- a(0) =6733a(1) =18521a(2) =36149a(3) =36913a(4) =59617a(5) =61090a(6) =88925a(7) =90121a(8) =124073a(9) =165874a(10) =167506a(11) =211889a(12) =264557a(13) =270761a(14) =272845a(15) =323065a(16) =327625a(17) =388658a(18) =397429a(19) =399953a(20) =457601a(21) =458954a(22) =464386a(23) =465749a(24) =467114a(25) =471221a(26) =615497a(27) =618637a(28) =704882a(29) =706561
External references
- oeis: A031642