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 15.
A031603
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 15.
Terms
- a(0) =2858a(1) =3074a(2) =5122a(3) =7177a(4) =7517a(5) =9773a(6) =10169a(7) =13681a(8) =14149a(9) =16673a(10) =17189a(11) =17713a(12) =17978a(13) =18514a(14) =20525a(15) =21097a(16) =22265a(17) =22861a(18) =26041a(19) =27337a(20) =27997a(21) =30113a(22) =32213a(23) =33653a(24) =35594a(25) =35969a(26) =37489a(27) =37874a(28) =38261a(29) =39041
External references
- oeis: A031603