530712

Appears in sequences

• Theta series of extremal 3-modular even 24-dimensional lattice with minimal norm 6 and det = 3^12.at n=4A004046
• Duplicate of A004046.at n=4A034622
• a(n) = n*(n-1)^2*(n-2).at n=26A047928
• J_n(9) (see A059379).at n=6A059410
• Jordan function J_6(n).at n=8A069091
• Number of strings over Z_3 of length n with trace 0 and subtrace 1.at n=13A073948
• Number of strings over Z_3 of length n with trace 1 and subtrace 2.at n=13A073952
• Number of elements of GF(3^n) with trace 0 and subtrace 2.at n=13A074002
• Number of elements of GF(3^n) with trace 1 and subtrace 0.at n=13A074003
• Coefficients of 12th root of theta series of lattice in A004046.at n=5A107657
• Sum 3^max(k,n-k),k=0..n.at n=11A107660
• Expansion of (2*x-1)*(x-1)*x / ((3*x-1)*(3*x^2-1)).at n=13A122008
• Inverse binomial transform of (A113405 preceded by 0).at n=14A133474
• a(n) = n^6 - n^3.at n=9A136006
• Number of reduced words of length n in Coxeter group on 28 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.at n=4A162830
• Triangle T(n, k, q) = c(n-1, q)*c(n, q)/(c(k-1, q)^2*c(n-k, q)*c(n-k+1, q)*f(k, q)), where c(n, q) = Product_{j=1..n} f(j, q), f(n, q) = q*(f(n-1, q) + f(n-2, q)), f(0, q) = 0, f(1, q) = 1, and q = 3, read by rows.at n=22A172376
• Triangle T(n, k, q) = c(n-1, q)*c(n, q)/(c(k-1, q)^2*c(n-k, q)*c(n-k+1, q)*f(k, q)), where c(n, q) = Product_{j=1..n} f(j, q), f(n, q) = q*(f(n-1, q) + f(n-2, q)), f(0, q) = 0, f(1, q) = 1, and q = 3, read by rows.at n=26A172376
• Permanent of the n X n matrix whose (i,j)-element is (i+j-1) modulo 3.at n=8A179079
• Oblong numbers that are the product of two oblong numbers.at n=33A188660
• Integers n such that each of n, 2n and 3n is a sum of 2 distinct positive cubes.at n=13A191383