Find the missing term: 1, 4, 10, 22, 46, ?

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
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  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.