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A179361
Number of permutations of 1..n with i-9<=p(i)<=i+8
1
1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3265920, 26812800, 204336720, 1473725520, 10249719720, 69881149176, 473288433594, 3216941445106, 22111390122811, 154546274524621, 1091768920854480, 7758972035109592
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A177280 A173849 A154657 * A179368 A267389 A152693
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 11 2010
STATUS
approved