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A035769
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Coordination sequence for C_32 lattice.
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1
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1, 2048, 700416, 96376832, 7172939776, 336604997632, 10951050137600, 263584490403840, 4921911787962368, 73937309725313024, 919525887711997952, 9689853217125292032, 88194231555585941504, 704523479193614804992, 5007046793271774990336, 32029123626088983853056
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OFFSET
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0,2
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LINKS
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J. H. Conway and N. J. A. Sloane, Low-Dimensional Lattices VII: Coordination Sequences, Proc. Royal Soc. London, A453 (1997), 2369-2389 (pdf).
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FORMULA
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a(n) = [x^(2n)] ((1+x)/(1-x))^32.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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Joan Serra-Sagrista (jserra(AT)ccd.uab.es)
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EXTENSIONS
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STATUS
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approved
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