A179351 - OEIS

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A179351

Number of permutations of 1..n with i-8<=p(i)<=i+4

1, 2, 6, 24, 120, 600, 3000, 15000, 75000, 350424, 1584462, 7107302, 32122831, 147587401, 683138716, 3168696388, 14688784152, 67987310592, 314281715520, 1451432697984, 6699167090880, 30914861411328, 142699378260288

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

CROSSREFS

Sequence in context: A179340 A179342 A179346 * A179357 A179364 A070946

Adjacent sequences: A179348 A179349 A179350 * A179352 A179353 A179354

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 11 2010

STATUS

approved