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2, 3, 6, 14, 37, 107, 329, 1055, 3486, 11780, 40510, 141286, 498524, 1776312, 6382292, 23097542, 84118037, 308049947, 1133682557, 4190570237, 15551547887, 57919961507, 216418821767, 811055485427, 3047804166425, 11481792822005
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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PROG
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(PARI) Cat(n) = binomial(2*n, n)/(n+1); \\ A000108
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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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