About Me

Comments (2)

  • #1 by Duke at July 5th, 2009

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    t-shirt idea: ι <3 µ

  • #2 by Richard Guy at July 13th, 2011

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    Hugh Williams & I are about to publish Some Fourth-order
    Linear Divisibility Sequences in the Internat. J. Number
    Theory. They ask for a more complete reference for
    P. Raff, Spanning tree sequences are divisibility sequences.
    Can you help?? Many thanks in anticipation. R.