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A202234
Number of permutations avoiding the consecutive pattern 35124.
1
1, 2, 6, 24, 119, 708, 4914, 38982, 347898, 3449832, 37630215, 447778848, 5772349056, 80135742750, 1191964110777, 18911623686552, 318803730114225, 5690383738630956, 107211361385886516, 2126260453008788598, 44277328711513910475, 965939103520765611768
OFFSET
1,2
COMMENTS
a(n) is the number of permutations on [n] that avoid the consecutive pattern 35124. It is the same as the number of permutations which avoid 24513, 31542 or 42153.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray Chandler, Dec 15 2011
STATUS
approved