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A179359
Number of permutations of 1..n with i-9<=p(i)<=i+6
1
1, 2, 6, 24, 120, 720, 5040, 35280, 246960, 1728720, 11167920, 68286120, 404423736, 2363607402, 13821281314, 81653389147, 490572457453, 2976080502144, 18138009463432, 110672621450160, 674657720355264, 4104712985389632
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A293784 A179348 A179353 * A179366 A267387 A152369
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 11 2010
STATUS
approved