A031531 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.

1091, 1103, 1107, 1123, 1127, 1151, 1163, 1171, 1179, 1187, 1203, 1207, 1223, 4360, 4384, 4448, 4456, 4480, 4520, 4552, 4576, 4608, 4640, 4736, 4768, 4800, 4864, 4896, 9807, 9939, 9951, 10011, 10095, 10155, 10167, 10239, 10299, 10311, 10383, 10515

Offset

1,1

Links

Table of n, a(n) for n=1..40.

Crossrefs

Sequence in context: A345408 A031744 A031654 * A161118 A031711 A253216

Adjacent sequences: A031528 A031529 A031530 * A031532 A031533 A031534

Keyword

nonn

Author

David W. Wilson

Status

approved