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A006730
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Series for second perpendicular moment of square lattice (eventually changes sign).
(Formerly M1841)
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4
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0, 2, 8, 24, 64, 156, 358, 786, 1664, 3434, 6902, 13656, 26464, 50772, 95754, 179442, 331294, 609496, 1106106, 2004852, 3586874, 6423028, 11351274, 20126538, 35191190, 61883196, 107179834, 187216848, 321395596, 558468104
(list;
graph;
refs;
listen;
history;
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internal format)
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OFFSET
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0,2
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COMMENTS
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The first negative term is the 66th.
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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