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 39.
A031537
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 39.
Terms
- a(0) =1523a(1) =1531a(2) =1539a(3) =1543a(4) =1559a(5) =1563a(6) =1567a(7) =1571a(8) =1579a(9) =1583a(10) =1607a(11) =1611a(12) =1619a(13) =1627a(14) =1663a(15) =1667a(16) =1679a(17) =6088a(18) =6144a(19) =6176a(20) =6184a(21) =6272a(22) =6280a(23) =6304a(24) =6336a(25) =6344a(26) =6376a(27) =6464a(28) =6472a(29) =6528
External references
- oeis: A031537