339720

Appears in sequences

• Number of linear arrangements of n blue, n red and n green items such that there are no adjacent items of the same color.at n=7A110706
• T(n,k) = number of linear arrays of n 1's, n -1's, and k 0's such that no two adjacent elements are equal.at n=63A283613
• Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is the number of permutations of n copies of 1..k with no element equal to another within a distance of 1.at n=42A322093
• Number of permutations of 7 copies of 1..n with no element equal to another within a distance of 1.at n=3A322095