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A180895 Number of permutations of 7..n+6 with no element greater than or equal to the sum of its neighbors 0
1, 0, 2, 6, 30, 180, 1260, 10080, 88200, 846360, 8704560, 96521328, 1136939886, 14300688576, 190022230230, 2677680493446, 39679534875572, 619978024613994 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
CROSSREFS
Sequence in context: A293906 A180893 A180894 * A180896 A180897 A353184
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 23 2010
STATUS
approved

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Last modified April 17 11:08 EDT 2024. Contains 371763 sequences. (Running on oeis4.)