A031542 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 44.

1938, 1942, 1954, 1966, 1982, 1986, 2018, 2038, 2062, 2066, 2078, 2082, 2098, 2102, 2114, 4359, 4377, 4398, 4404, 4413, 4431, 4449, 4461, 4476, 4497, 4503, 4533, 4542, 4548, 4557, 4569, 4593, 4629, 4647, 4677, 4683, 4686, 4701, 4713, 4737, 4749, 4758

Offset

1,1

Links

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

Crossrefs

Sequence in context: A185570 A367679 A031766 * A214478 A259513 A202529

Adjacent sequences: A031539 A031540 A031541 * A031543 A031544 A031545

Keyword

nonn

Author

David W. Wilson

Status

approved