1,1

Table of n, a(n) for n=1..56.

The continued fraction for the square root of 12 is 3, {2, 6}.

Select[ Range[500], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 2 & ]

Sequence in context: A178480 A053660 A104969 * A299016 A347472 A340663

Adjacent sequences: A065002 A065003 A065004 * A065006 A065007 A065008

easy,nonn

Robert G. Wilson v, Nov 01 2001

approved