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 55.
A031553
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 55.
Terms
- a(0) =3027a(1) =3031a(2) =3051a(3) =3067a(4) =3079a(5) =3083a(6) =3091a(7) =3099a(8) =3119a(9) =3139a(10) =3147a(11) =3151a(12) =3163a(13) =3167a(14) =3179a(15) =3187a(16) =3191a(17) =3203a(18) =3239a(19) =3247a(20) =12104a(21) =12128a(22) =12160a(23) =12192a(24) =12200a(25) =12288a(26) =12296a(27) =12384a(28) =12392a(29) =12416
External references
- oeis: A031553