|
|
A065007
|
|
Integers for which the periodic part of the continued fraction for the square root of n begins with 4.
|
|
0
|
|
|
5, 18, 39, 52, 68, 85, 105, 126, 149, 150, 175, 202, 203, 232, 263, 264, 296, 297, 332, 333, 369, 370, 409, 410, 450, 451, 493, 494, 495, 539, 540, 586, 587, 588, 636, 637, 687, 688, 689, 740, 741, 742, 796, 797, 798, 853, 854, 855, 913, 914, 915, 974, 975
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
EXAMPLE
|
The continued fraction for the square root of 39 is 6, {4, 12}.
|
|
MATHEMATICA
|
Select[ Range[1000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 4 & ]
|
|
CROSSREFS
|
|
|
KEYWORD
|
cofr,easy,nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|