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A138787
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First differences of A007878.
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5
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1, 3, 11, 43, 187, 857, 4144, 20812, 107822, 572918, 3108512, 17164308, 96199106
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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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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EXTENSIONS
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STATUS
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approved
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