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A001183
Number of nontrivial Baxter permutations of length 2n-1.
(Formerly M0390 N0148)
+0
4
0, 2, 2, 18, 66, 374, 1694, 9822, 51698
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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