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A179345
Number of permutations of 1..n with i-7<=p(i)<=i+3.
1
1, 2, 6, 24, 96, 384, 1536, 6144, 23118, 85310, 316275, 1191989, 4518164, 17135188, 64906836, 245607600, 928634304, 3509372424, 13260273636, 50117434276, 189468674404, 716365025813, 2708461051181, 10239778584014, 38711845145346
OFFSET
1,2
FORMULA
G.f.: see link above. - Vaclav Kotesovec, Dec 01 2012
CROSSREFS
Sequence in context: A147918 A072855 A179341 * A179350 A179356 A179363
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 11 2010
STATUS
approved