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 53.
A031641
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 53.
Terms
- a(0) =17981a(1) =35018a(2) =35393a(3) =57202a(4) =58162a(5) =58645a(6) =85385a(7) =161026a(8) =163441a(9) =209138a(10) =210053a(11) =254377a(12) =258425a(13) =260461a(14) =262505a(15) =372629a(16) =376298a(17) =384929a(18) =441521a(19) =444181a(20) =446849a(21) =448186a(22) =450866a(23) =454901a(24) =516253a(25) =522013a(26) =530713a(27) =596825a(28) =603017a(29) =606125
External references
- oeis: A031641