80096

Appears in sequences

• Number of permutations (p(1),p(2),...,p(n)) of (1,2,...,n) such that p(i)-i is in {-2,-1,3} for all i=1,...,n.at n=39A079999
• Number of linear arrangements of n blue, n red and n green items such that the first item is blue and there are no adjacent items of the same color (first and last elements considered as adjacent).at n=6A141147
• Number of -n..n arrays x(0..3) of 4 elements with nonzero sum and with zero through 3 differences all nonzero.at n=8A200167