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A167812
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Number of admissible basis in the postage stamp problem for n denominations and h = 5 stamps.
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6
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OFFSET
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1,2
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COMMENTS
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A basis 1 = b_1 < b_2 ... < b_n is admissible if all the values 1 <= x <= b_n is obtainable as a sum of at most h (not necessarily distinct) numbers in the basis.
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REFERENCES
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R. K. Guy, Unsolved Problems in Number Theory, C12.
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LINKS
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CROSSREFS
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KEYWORD
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hard,more,nonn
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AUTHOR
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Yogy Namara (yogy.namara(AT)gmail.com), Nov 12 2009
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STATUS
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approved
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