The answer is 86.

The sequence is $a_n = 3a_{n-1} - a_{n-2}$, with $a_0 = 1$ and $a_1 = 4$.

Here is a brief explanation of each option:

  • Option A: 64 is not in the sequence.
  • Option B: 86 is in the sequence.
  • Option C: 94 is not in the sequence.
  • Option D: 122 is not in the sequence.