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A055226
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a(n) = floor(sqrt(n!)).
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12
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1, 1, 1, 2, 4, 10, 26, 70, 200, 602, 1904, 6317, 21886, 78911, 295259, 1143535, 4574143, 18859677, 80014834, 348776576, 1559776268, 7147792818, 33526120082, 160785623545, 787685471322, 3938427356614, 20082117944245, 104349745809073, 552166953567228, 2973510046012910, 16286585271694955, 90679869067935485
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listen;
history;
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OFFSET
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0,4
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LINKS
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FORMULA
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MATHEMATICA
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PROG
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(PARI) a(n)=sqrtint(n!);
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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