135954

Appears in sequences

• Central hexanomial coefficients: largest coefficient of (1 + x + ... + x^5)^n.at n=8A018901
• Number of nonsquare rectangles on an n X n board.at n=26A052149
• Central sextinomial coefficients.at n=4A063419
• Sum of primes between n and n^2.at n=36A109818
• T(n,k) = largest coefficient in the expansion of (1 + ... + x^(n-1))^(2*k).at n=41A163269
• Number of 4*n X n 0..5 arrays with row sums 5 and column sums 20.at n=1A172887
• 151*n^7/315+2*n^5/9+7*n^3/45+n/7.at n=6A229735
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2*j-1) + x_j^(-(2*j-1)) )^(2*n).at n=32A329020
• Array read by ascending antidiagonals: the s-th column gives the central s-binomial coefficients.at n=50A349933