Coordination Sequences, Planing Numbers, and Other Recent Sequences (II) (Part II) from ì´ì§€ë¡œìš´ Watch Video
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⏲ Duration: 11 min 16 sec ✓ Published: 01-Feb-2019
Description: Neil Sloane, the OEIS Foundation and Rutgers University nRutgers Experimental Math Seminar, Jan. 31, 2019nTake the graph of a periodic tiling of the plane. The coordination sequence with respect to a node P gives the number of nodes that are n edges away from P. Chaim Goodman-Strauss and I have a new simple method for obtaining generating functions for such sequences. There are a number of interesting open questions. I will also discuss Lenormand's
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