Where the terms are all multiples of 3, 30, 33, 36, 39, Where the terms are not whole numbers, Where the terms are all odd, Not possible as the sequence must be odd, even, odd, even, etc, Where the terms include both 100 and 127, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127, . . .

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