A179369 Number of permutations of 1..n with i-10 <= p(i) <= i+9.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 36288000, 333486720, 2855825280, 23146819920, 180368122320, 1370761244520, 10284831650616, 76940070484362, 578333776748674, 4393756903239067, 33888536448984493

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..31

Crossrefs

Sequence in context: A177281 A173850 A154658 * A267390 A360463 A193937

Adjacent sequences: A179366 A179367 A179368 * A179370 A179371 A179372

Keyword

nonn

Author

R. H. Hardin Jul 11 2010

Status

approved