login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A031765
Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 87.
1
7571, 30280, 68127, 121112, 189235, 272496, 370895, 484432, 613107, 756920, 915871, 1089960, 1279187, 1483552, 1703055, 1937696, 2187475, 2452392, 2732447, 3027640, 3337971, 3663440, 4004047, 4359792, 4730675, 5116696, 5517855, 5934152
OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
CROSSREFS
Sequence in context: A205427 A252163 A031585 * A205740 A206672 A205516
KEYWORD
nonn
STATUS
approved