A031544 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 46.

2118, 2126, 2166, 2174, 2178, 2182, 2194, 2206, 2214, 2242, 2246, 2254, 2274, 2278, 2302, 4764, 4773, 4791, 4809, 4821, 4836, 4857, 4863, 4881, 4953, 4971, 4974, 4989, 5001, 5007, 5061, 5079, 5097, 5118, 5124, 5169, 5181, 8468, 8476, 8492, 8500, 8516

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Crossrefs

Sequence in context: A324324 A031770 A031680 * A205660 A205949 A205460

Adjacent sequences: A031541 A031542 A031543 * A031545 A031546 A031547

Keyword

nonn

Author

David W. Wilson

Status

approved