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A335676
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Number of arithmetical structures on D_n.
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2
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14, 46, 176, 620, 2218, 7938, 28572, 103384, 376056, 1374680, 5048348, 18618290, 68932582, 256133188, 954856744, 3570492960, 13388550056, 50334109160, 189684561610, 716420218810, 2711456910222, 10281958081812, 39059990775594, 148635185291644, 566498545019834, 2162330791492290, 8265205867169156
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OFFSET
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4,1
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COMMENTS
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Archer et al. give terms 4 through 43.
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REFERENCES
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Archer, Kassie, Abigail C. Bishop, Alexander Diaz-Lopez, Luis D. García Puente, Darren Glass, and Joel Louwsma. "Arithmetical structures on bidents." Discrete Mathematics 343, no. 7 (2020): #111850. Also arXiv:1903.01393, 2019. See Table 1.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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