Number of 6's in decimal expansion of Fibonacci(n). 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 1, 0, 1, 2, 0, 0, 1, 0, 0, 0, 2, 0, 0
1 seqfan posts