508431

Appears in sequences

• Gaussian binomial coefficient [ n,2 ] for q=5.at n=4A006111
• Gaussian binomial coefficient [ n,4 ] for q = 5.at n=2A006113
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 5.at n=23A022169
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 5.at n=25A022169
• Number of sublattices of index n in generic 5-dimensional lattice.at n=19A038992
• Number of sublattices of index n in generic 5-dimensional lattice.at n=24A038992
• Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=4.at n=24A068021
• a(n) = 529*n^2 + 2*n.at n=30A158367
• Triangle T(n, k, q) = ((1-q)/(1-q^k))*c(n-1, q)*c(n, q)/(c(k-1,q)^2*c(n-k,q)*c(n-k+1, q)), where c(n, q) = Product_{j=1..n} (1-q^j) and q = 5, read by rows.at n=16A172302
• Triangle T(n, k, q) = ((1-q)/(1-q^k))*c(n-1, q)*c(n, q)/(c(k-1,q)^2*c(n-k,q)*c(n-k+1, q)), where c(n, q) = Product_{j=1..n} (1-q^j) and q = 5, read by rows.at n=19A172302
• Irregular triangle read by rows: T(n, k) is the q-multinomial coefficient defined by the k-th partition of n in Abramowitz-Stegun order, evaluated at q = 5.at n=20A347488