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Search: id:A046997
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A046997 Number of Baxter permutations: A001183/2. +0
1
0, 1, 1, 9, 33, 187, 847, 4911, 25849 (list; graph; listen)
OFFSET

1,4
CROSSREFS

Sequence in context: A147444 A137627 A146445 this_sequence A013488 A063423 A145952

Adjacent sequences: A046994 A046995 A046996 this_sequence A046998 A046999 A047000

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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