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May 12, 2011 at 17:08 vote accept Cam McLeman
May 12, 2011 at 16:08 comment added David E Speyer You listed 01022 twice.
May 12, 2011 at 16:04 history edited David E Speyer CC BY-SA 3.0
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May 12, 2011 at 16:03 comment added Aaron Meyerowitz For n=5 I see 00122 00212 01022 01112 and 01022 am I misunderstanding? This is a Catalan number but not a Motzkin number.
May 12, 2011 at 15:52 history answered David E Speyer CC BY-SA 3.0