209428

Appears in sequences

• Number of ways to place 6 nonattacking bishops on a 6 X n board.at n=6A172211
• Coefficients of 1/(Sum_{k>=0} [(k+1)*r]*(-x)^k), where r = sqrt(5/2) and [ ] = floor.at n=18A288230
• Triangle read by rows: T(n,k) is the number of proper vertex colorings of the n-complete bipartite graph using exactly k interchangeable colors, 2 <= k <= 2*n.at n=42A384968