658944

Appears in sequences

• Coefficients of Chebyshev T polynomials: a(n) = A053120(n+8, n), n >= 0.at n=10A006974
• Coordination sequence for F_4 lattice.at n=22A019558
• Coefficient table for Chebyshev polynomials T(2*n,x) (increasing even powers x, without zeros).at n=50A127674
• Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k L-shaped corners (n>=2, k>=0).at n=58A273717
• Regular triangle T(n,k) = binomial(2*n-2*k,n-k)*((n+1)/k)*Sum_{k=0..floor((k-1)/2)} (-1)^k*binomial(2*k,k)*binomial(n+3*k-2*k,k-2*k-1), read by rows.at n=34A306625
• Irregular triangle read by rows: T(n,k) is the number of permutations of an n X n Rubik's Square reachable in k or fewer moves, terminating at the maximum value.at n=32A335136
• Number of lattice paths from (0,0) to (n,n) using steps (1,0),(3,0),(0,1).at n=10A383479