[m] = 3m when even
[m] = 1/2 m when odd
[9] * [6]
[9] = 3*9=27
[6] = 6*1/2 = 3
27*3 = 81
[81] = 3*81 = 243 incorrect.
[27] = 3*27 = 81 correct.
Hope this helps.
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