A179358 Number of permutations of 1..n with i-9<=p(i)<=i+5

1, 2, 6, 24, 120, 720, 4320, 25920, 155520, 933120, 5223720, 28065624, 148043310, 779305142, 4138663683, 22326100565, 121438789028, 662769584476, 3618469944096, 19732129903872, 107425688617728, 584061299353728

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..400

Crossrefs

Sequence in context: A179343 A179347 A179352 * A179365 A070947 A267386

Adjacent sequences: A179355 A179356 A179357 * A179359 A179360 A179361

Keyword

nonn

Author

R. H. Hardin Jul 11 2010

Status

approved