OFFSET
1,2
COMMENTS
The rectangle R whose shape (i.e., length/width) is (-6 + sqrt(89))/2 can be partitioned into rectangles of shapes 3/2 and 3 in a manner that matches the periodic continued fraction [3/2, 3, 3/2, 3, ...]. R can also be partitioned into squares so as to match the periodic continued fraction [1, 1, 2, 1, 1, 6, 1, 36, 1, 6, 1, 1, 2, 1, 8, 1, 2, 1, 1, 6, 1, 36, ...]. For details, see A188635.
Quadratic number with denominator 2 and minimal polynomial 4x^2 + 24x - 53. - Charles R Greathouse IV, Apr 21 2016
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
EXAMPLE
1.716990566028301905660330188811320358491...
MATHEMATICA
FromContinuedFraction[{3/2, 3, {3/2, 3}}]
ContinuedFraction[%, 100] (* [1, 1, 2, 1, 1, 6, 1, 36, ... *)
RealDigits[N[%%, 120]] (* A190264 *)
N[%%%, 40]
PROG
(PARI) sqrt(89)/2-3 \\ Charles R Greathouse IV, Apr 21 2016
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, May 07 2011
STATUS
approved