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A179340 Number of permutations of 1..n with i-5<=p(i)<=i+4. 1

%I #9 Dec 01 2012 21:44:51

%S 1,2,6,24,120,600,2616,10554,41506,164731,673261,2784240,11528872,

%T 47561640,195350784,800662464,3282217584,13467670528,55304280616,

%U 227170084693,933011493125,3831199643002,15729968308974,64581702640928

%N Number of permutations of 1..n with i-5<=p(i)<=i+4.

%H R. H. Hardin, <a href="/A179340/b179340.txt">Table of n, a(n) for n = 1..400</a>

%H Vaclav Kotesovec, <a href="/A179340/a179340.txt">G.f. for A179340</a>

%F G.f.: see link above. - _Vaclav Kotesovec_, Dec 01 2012

%K nonn

%O 1,2

%A _R. H. Hardin_, Jul 11 2010

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Last modified April 26 12:09 EDT 2024. Contains 371997 sequences. (Running on oeis4.)