A179345 Number of permutations of 1..n with i-7<=p(i)<=i+3.

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

Links

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

Vaclav Kotesovec, Vaclav Kotesovec, G.f. for A179345

Formula

G.f.: see link above. - Vaclav Kotesovec, Dec 01 2012

Crossrefs

Sequence in context: A147918 A072855 A179341 * A179350 A179356 A179363

Adjacent sequences: A179342 A179343 A179344 * A179346 A179347 A179348

Keyword

nonn

Author

R. H. Hardin, Jul 11 2010

Status

approved