222720

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^16.at n=23A000739
• Expansion of (eta(q^2)^7 / eta(q^4)^2)^4 + 16 * (eta(q)^2 * eta(q^2) * eta(q^4)^2)^4 in powers of q.at n=19A173763
• Number of 3-turn rook's tours on an n X n board summed over all starting positions.at n=15A187190
• Number of (n+1) X (3+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=17A235949
• Number of ways to place m nonattacking queens on an m X n board, 1 <= m <= n (triangular array).at n=74A269133
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 355", based on the 5-celled von Neumann neighborhood.at n=36A281306
• Triangle read by rows: T(n,k) (n >= 1, 1 <= k <= n) = number of subdigraphs of the transitive tournament on n nodes that have k weak components.at n=24A350609