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You are to sum -1 * 2^1 -1 * 2^3 -1 * 2^5 -1 * 2^7 -1 * 2^9 -1 * 2^11 which equals -2 -8 -32 -128 -512 -2,048 which totals -2,730
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You are to sum -1 * 2^1 -1 * 2^3 -1 * 2^5 -1 * 2^7 -1 * 2^9 -1 * 2^11 which equals -2 -8 -32 -128 -512 -2,048 which totals -2,730