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A031633
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 45.
0
13021, 25013, 41290, 42106, 42517, 63625, 146978, 150058, 150833, 152389, 183545, 185261, 186985, 188717, 228925, 268853, 273013, 274058, 276154, 320981, 323249, 327809, 328954, 330101, 372829, 385129, 428557, 433805, 441737, 489562
OFFSET
1,1
CROSSREFS
Sequence in context: A354510 A138762 A139777 * A015327 A210016 A079230
KEYWORD
nonn
EXTENSIONS
First term 2026 removed by Georg Fischer, Jun 16 2019
STATUS
approved