A179365 Number of permutations of 1..n with i-10 <= p(i) <= i+5.

1, 2, 6, 24, 120, 720, 4320, 25920, 155520, 933120, 5598720, 31717320, 173822136, 939044202, 5067707074, 27561477307, 151889090893, 842976736704, 4692532619752, 26135294146080, 145451000459904, 808518619766592

Offset

1,2

Links

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

Elizabeth Hartung, Brett Stevens, and Aaron Williams, Pyramid Schemes for Eating M&Ms: Enumeration, Generation, and Gray Codes, LIPIcs Vol. 366, 13th Int'l Conf. Fun Algor. (FUN 2026), Art. 23. See pp. 18 (Table 3), 20 (Table 5).

Crossrefs

Sequence in context: A179347 A179352 A179358 * A070947 A267386 A215718

Adjacent sequences: A179362 A179363 A179364 * A179366 A179367 A179368

Keyword

nonn

Author

R. H. Hardin, Jul 11 2010

Status

approved