331128

Appears in sequences

• Triangle read by rows: T(n,k) (0<=k<=floor(n/2)) is the number of Delannoy paths of length n, having k ED's.at n=27A110221
• Number of length n+3 0..6 arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.at n=3A250385
• T(n,k)=Number of length n+3 0..k arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.at n=39A250387
• Number of length 4+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.at n=5A250390
• Coefficients in q-expansion of E_2*E_4^4, where E_2 and E_4 are respectively the Eisenstein series A006352 and A004009.at n=2A282546
• Number of (undirected) Hamiltonian paths in the n-polygon diagonal intersection graph.at n=3A300551