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 27.
A031525
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 27.
Terms
- a(0) =731a(1) =739a(2) =743a(3) =751a(4) =771a(5) =779a(6) =787a(7) =803a(8) =811a(9) =823a(10) =827a(11) =839a(12) =2920a(13) =2944a(14) =2976a(15) =2984a(16) =3016a(17) =3040a(18) =3072a(19) =3104a(20) =3112a(21) =3168a(22) =3176a(23) =3200a(24) =3232a(25) =3264a(26) =3272a(27) =3328a(28) =3360a(29) =6567
External references
- oeis: A031525