A065009 Integers for which the periodic part of the continued fraction for the square root of n begins with 6.

10, 38, 84, 103, 148, 173, 230, 261, 294, 330, 367, 406, 448, 491, 536, 583, 584, 633, 684, 737, 738, 793, 850, 909, 910, 970, 971, 1034, 1099, 1100, 1166, 1167, 1236, 1307, 1308, 1380, 1381, 1455, 1456, 1533, 1534, 1612, 1613, 1693, 1694, 1777, 1778

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Example

The continued fraction for the square root of 84 is 9, {6, 18}.

Mathematica

Select[ Range[1500], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 6 & ]

Crossrefs

Sequence in context: A129426 A215881 A279543 * A031430 A154517 A034859

Adjacent sequences: A065006 A065007 A065008 * A065010 A065011 A065012

Keyword

cofr,easy,nonn

Author

Robert G. Wilson v, Nov 01 2001

Status

approved