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 33.

A031531

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 33.

Terms

    a(0) =1091a(1) =1103a(2) =1107a(3) =1123a(4) =1127a(5) =1151a(6) =1163a(7) =1171a(8) =1179a(9) =1187a(10) =1203a(11) =1207a(12) =1223a(13) =4360a(14) =4384a(15) =4448a(16) =4456a(17) =4480a(18) =4520a(19) =4552a(20) =4576a(21) =4608a(22) =4640a(23) =4736a(24) =4768a(25) =4800a(26) =4864a(27) =4896a(28) =9807a(29) =9939

External references