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 74.

A031572

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 74.

Terms

    a(0) =5478a(1) =5494a(2) =5506a(3) =5518a(4) =5522a(5) =5526a(6) =5534a(7) =5542a(8) =5574a(9) =5582a(10) =5602a(11) =5606a(12) =5638a(13) =5666a(14) =5678a(15) =5682a(16) =5686a(17) =5702a(18) =5714a(19) =5718a(20) =5726a(21) =5758a(22) =5762a(23) =5774a(24) =12324a(25) =12333a(26) =12381a(27) =12387a(28) =12417a(29) =12459

External references