48944

Appears in sequences

• Critical connected topologies with n points.at n=10A003097
• Number of ways to place a non-attacking white and black knight on n X n chessboard.at n=14A035289
• Number of compositions of n where each pair of adjacent parts is relatively prime.at n=18A167606
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 589", based on the 5-celled von Neumann neighborhood.at n=7A273112
• Numbers k such that (229*10^k - 1)/3 is prime.at n=24A280272
• The number of vertices formed on an isosceles triangle by straight line segments mutually connecting all vertices and all points that divide the two equal length sides into n equal parts; the base of the triangle contains no points other than its vertices.at n=21A333026