52552

Appears in sequences

• Number of 5-line partitions of n.at n=20A001452
• Number of n X n symmetric matrices with nonnegative integer entries, trace 0 and all row sums 2.at n=9A002137
• Triangle read by rows: T(n,k) is the number of multigraphs without loops on n labeled nodes with k edges and maximum degree 2.at n=43A095693
• Triangle read by rows: T(n,k) is the number of multigraphs without loops on n labeled nodes with k edges and maximum degree 2.at n=54A095693
• Sums of least knight's moves from (0,0) to points in the square lattice [-n,n]x[-n,n].at n=32A183047
• Triangle read by rows: T(n,k) = number of sets of linear n-ads in k variables.at n=47A260340
• Triangle read by rows: T(n,k) = number of sets of linear n-ads in k variables.at n=52A260340
• Array read by antidiagonals: T(n,k) is the number of k-regular loopless multigraphs on n labeled nodes, n >= 0, k >= 0.at n=75A333351
• Number of integer partitions of n having at most one permutation with all equal run-lengths.at n=50A383092
• The number of lattice points in the 2D plane contained between the curve y=x^2/4 and the line y=n^2, inclusive, where n is a positive integer.at n=27A385730