Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 7.
A031410
Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 7.
Terms
- a(0) =51a(1) =59a(2) =67a(3) =71a(4) =79a(5) =200a(6) =232a(7) =296a(8) =320a(9) =447a(10) =519a(11) =591a(12) =723a(13) =792a(14) =856a(15) =984a(16) =1048a(17) =1112a(18) =1235a(19) =1288a(20) =1315a(21) =1335a(22) =1415a(23) =1435a(24) =1535a(25) =1715a(26) =1735a(27) =1776a(28) =1835a(29) =1915
External references
- oeis: A031410