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 22.
A031520
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 22.
Terms
- a(0) =486a(1) =498a(2) =502a(3) =514a(4) =526a(5) =534a(6) =542a(7) =562a(8) =566a(9) =574a(10) =1092a(11) =1101a(12) =1119a(13) =1137a(14) =1149a(15) =1191a(16) =1209a(17) =1236a(18) =1257a(19) =1263a(20) =1281a(21) =1293a(22) =1940a(23) =1948a(24) =1964a(25) =1972a(26) =1996a(27) =2012a(28) =2036a(29) =2044
External references
- oeis: A031520