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⇱ A145548 - OEIS

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A145548
Number of distinct values taken by 8^8^...^8 (with n 8's and parentheses inserted in all possible ways).
15
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
OFFSET
1,3
KEYWORD
more,nonn
AUTHOR
Jon E. Schoenfield, Oct 13 2008
STATUS
approved