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 90.
A031678
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 90.
Terms
- a(0) =101173a(1) =165730a(2) =248125a(3) =348269a(4) =457201a(5) =458554a(6) =596273a(7) =733097a(8) =895357a(9) =1082129a(10) =1273009a(11) =1275266a(12) =1279786a(13) =1284314a(14) =1286581a(15) =1293394a(16) =1489129a(17) =1508713a(18) =1716941a(19) =1727437a(20) =1732697a(21) =1949777a(22) =1955365a(23) =1960961a(24) =1972177a(25) =1983425a(26) =2221189
External references
- oeis: A031678