login
A065011
Integers for which the periodic part of the continued fraction for the square root of n begins with 8.
0
17, 66, 147, 172, 260, 293, 405, 446, 489, 582, 631, 682, 791, 848, 907, 968, 1032, 1097, 1164, 1233, 1305, 1378, 1453, 1530, 1609, 1610, 1691, 1774, 1859, 1946, 1947, 2036, 2127, 2220, 2315, 2316, 2412, 2413, 2512, 2613, 2716, 2717, 2821, 2822, 2929
OFFSET
1,1
EXAMPLE
The continued fraction for the square root of 147 is 12, {8, 24}.
MATHEMATICA
Select[ Range[3000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 8 & ]
CROSSREFS
Cf. A065005.
Sequence in context: A044155 A044536 A115295 * A031432 A157474 A024215
KEYWORD
easy,nonn
AUTHOR
Robert G. Wilson v, Nov 01 2001
STATUS
approved