OFFSET
1,6
COMMENTS
Conjecture: the most frequent values are 0,1,2,3,5,8,13,21,34,... i.e Fibonacci numbers.
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
FORMULA
EXAMPLE
PROG
(PARI) a(n)=my(f=lift(((Mod([1, 1; 1, 0], n))^n)[1, 2])); min(f, n-f) \\ Charles R Greathouse IV, Apr 16 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Alex Ratushnyak, Apr 15 2012
STATUS
approved