Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 55.
A031643
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 55.
Terms
- a(0) =19069a(1) =38074a(2) =61585a(3) =62581a(4) =63082a(5) =129769a(6) =131213a(7) =173281a(8) =219313a(9) =224018a(10) =225914a(11) =279145a(12) =281261a(13) =407573a(14) =413978a(15) =473969a(16) =478106a(17) =479489a(18) =480874a(19) =482261a(20) =485041a(21) =487829a(22) =489226a(23) =560233a(24) =566233a(25) =650477a(26) =728570a(27) =730277a(28) =733697a(29) =737125
External references
- oeis: A031643