1543862

Appears in sequences

• Number of permutations of 4 copies of 1..n with all adjacent differences <= 1 in absolute value.at n=6A177298
• Number of permutations of n copies of 1..6 with all adjacent differences <= 1 in absolute value.at n=4A177318
• Number A(n,k) of sequences with k copies each of 1,2,...,n avoiding absolute differences between adjacent elements larger than one; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=61A331562