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 90.
A031588
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 90.
Terms
- a(0) =8102a(1) =8114a(2) =8126a(3) =8158a(4) =8166a(5) =8182a(6) =8194a(7) =8198a(8) =8222a(9) =8254a(10) =8258a(11) =8262a(12) =8278a(13) =8302a(14) =8306a(15) =8318a(16) =8338a(17) =8342a(18) =8402a(19) =8406a(20) =8414a(21) =8422a(22) =8434a(23) =8438a(24) =8454a(25) =8462a(26) =18228a(27) =18237a(28) =18273a(29) =18291
External references
- oeis: A031588