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A177280 Number of permutations of 1..n with all adjacent differences <= 8 in absolute value. 0

%I #5 Apr 04 2019 16:18:51

%S 1,1,2,6,24,120,720,5040,40320,362880,2903040,20966400,139577760,

%T 876615840,5310073200,31605605712,187515117348,1120681770068,

%U 6797256099562,41549526380408

%N Number of permutations of 1..n with all adjacent differences <= 8 in absolute value.

%C a(n) = n! for n <= 9.

%K nonn

%O 0,3

%A _R. H. Hardin_, May 06 2010

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)