1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735.
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1, 4, 16, and 64 is a pattern. It multiplies by 4 each time. The next number would be 256.
1 x 268, 2 x 134, 4 x 67 = 268
It is: 3*5*7^2 = 735
1, 2, 4, 8, 16, 32: 1 x 32, 2 x 16, 4 x 8.