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A031681
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 93.
0
19609, 107633, 175642, 177322, 178165, 262265, 369833, 372269, 487429, 494434, 627553, 629138, 781817, 785357, 792461, 972637, 1145429, 1149713, 1151858, 1156154, 1166929, 1353194, 1355521, 1360181, 1364849, 1374209, 1376554
OFFSET
1,1
CROSSREFS
Sequence in context: A082890 A109569 A204665 * A118924 A065304 A178782
KEYWORD
nonn
EXTENSIONS
First term 8650 removed by Georg Fischer, Jun 16 2019
STATUS
approved