50284

Appears in sequences

• Number of arrays of length 4 that are sums of n consecutive elements of length 4+n-1 permutations of 0..4+n-2, and no two consecutive rises or falls in the latter permutation.at n=9A229720
• Number of permutations p of {1,2,...,n} such that p(i)-i not in {-1,0,1,2}.at n=10A292574
• Number of connected minimal dominating sets in the n-trapezohedral graph.at n=23A381190