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A125700
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Number of connected categories with n more morphisms than objects.
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3
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..3.
Eric Weisstein's World of Mathematics, Category
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FORMULA
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a(n) = Sum_{k=1}^{n+1} A125699(n+k,k}
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CROSSREFS
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Cf. A125696, A125699, A125701.
Sequence in context: A019477 A019478 A151327 * A037766 A037654 A074561
Adjacent sequences: A125697 A125698 A125699 * A125701 A125702 A125703
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KEYWORD
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bref,hard,more,nonn
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AUTHOR
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Franklin T. Adams-Watters and Christian G. Bower, Jan 05 2007
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STATUS
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approved
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