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A006459
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Number of elements in Z[ sqrt(-2) ] whose 'smallest algorithm' is <= n.
(Formerly M2771)
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3
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1, 3, 9, 17, 31, 53, 85, 133, 197, 293, 417, 593, 849, 1193, 1661, 2291, 3139, 4299
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OFFSET
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0,2
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COMMENTS
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No recurrence is known.
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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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nonn,more
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AUTHOR
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H. W. Lenstra, Jr.
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STATUS
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approved
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