OFFSET
3,1
COMMENTS
It is conjectured that there are no more than two consecutive "0's" or ā1āsā (tested up to n=10^5). The sequence looks quasiperiodic and its Fourier spectrum seems to have a fractal structure.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 3..10000
FORMULA
EXAMPLE
MATHEMATICA
nmax = 120; Table[IntegerDigits[Fibonacci[j], 2][[2]], {j, 3, nmax}]
PROG
(PARI) a(n) = binary(fibonacci(n))[2]; \\ Michel Marcus, Apr 25 2016
(Python)
A272170_list, a, b = [], 1 , 1
for n in range(3, 10001):
a, b = b, a+b
A272170_list.append(int(bin(b)[3])) # Chai Wah Wu, Feb 07 2018
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Andres Cicuttin, Apr 21 2016
STATUS
approved