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A145548
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Number of distinct values taken by 8^8^...^8 (with n 8's and parentheses inserted in all possible ways).
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15
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1, 1, 2, 4, 9, 20, 48, 115, 286, 719, 1842, 4765, 12482, 32957, 87756, 235198, 634261, 1719312, 4682952, 12808650, 35168306, 96893138, 267794711, 742260014, 2062792103
(list;
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listen;
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text;
internal format)
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OFFSET
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1,3
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LINKS
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CROSSREFS
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KEYWORD
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more,nonn
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AUTHOR
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STATUS
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approved
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