57447
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of Motzkin paths of length n and having k UHD's, where U=(1,1),H=(1,0),D=(1,-1) (0<=k<=floor(n/3)).at n=40A114583
- Number of Motzkin paths of length n having no UHD's (U=(1,1), H=(1,0), D=(1,-1)).at n=14A114584
- Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first and second differences in -n..n.at n=28A209009
- Number of nonnegative integer square matrices with sum of entries equal to n, no zero rows or columns, weakly decreasing row and column sums, and the same row sums as column sums.at n=8A321734