137127
domain: N
Appears in sequences
- Number of Dyck 2n-paths with all ascents of even length and all descents of odd length.at n=11A182530
- Number of nX2 0..3 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease.at n=8A202162
- T(n,k)=Number of nXk 0..3 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease.at n=46A202168
- Number of indecomposable slim semimodular lattices of length n.at n=9A217945