-5103

Appears in sequences

• Riordan array (1,x(1-3x)).at n=85A110517
• Triangle T(n, k) = k^4 - n^4 + 2*k*n*(1 - k^2*n^2), read by rows.at n=37A123963
• Triangle, T(n, k, q) = e(n, k, q), where e(n, k, q) = ((1 - (-q)^k)/(1+q))*e(n-1, k, q) + (-q)^(k-1)*e(n-1, k-1, q), e(n, 0, q) = e(n, n, q) = 1, and q = 2, read by rows.at n=31A156535
• Triangle, read by rows, T(n,k) = (-1)^k*binomial(n, k)*3^(n-k).at n=29A164942
• a(n) = 3^n*A168053(n).at n=6A171557
• Triangle read by rows: terms T(n,k) of a binomial decomposition of 2^n-1 as Sum(k=0..n)T(n,k).at n=30A244125
• Determinant of the adjacency matrix for the n^2 X n^2 sudoku graph.at n=2A330730