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 61.
A031559
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 61.
Terms
- a(0) =3723a(1) =3727a(2) =3739a(3) =3767a(4) =3779a(5) =3791a(6) =3803a(7) =3823a(8) =3827a(9) =3847a(10) =3851a(11) =3859a(12) =3863a(13) =3867a(14) =3871a(15) =3907a(16) =3911a(17) =3919a(18) =3923a(19) =3931a(20) =3943a(21) =3947a(22) =3967a(23) =14888a(24) =14920a(25) =14944a(26) =14976a(27) =15016a(28) =15040a(29) =15072
External references
- oeis: A031559