29848

Appears in sequences

• Number of ways to place a non-attacking white and black queen on n X n chessboard.at n=13A035291
• Number of partitions satisfying cn(0,5) + cn(1,5) < cn(2,5) + cn(3,5) and cn(0,5) + cn(4,5) < cn(2,5) + cn(3,5).at n=44A039884
• Array read by antidiagonals: T(r,n) = number of two-stack sortable r-permutations.at n=33A093346
• a(n) = floor(9^n/7^n).at n=41A094991
• Seventh column of (1,5)-Pascal triangle A096940.at n=11A096944
• Palindromic numbers in bases 3 and 9 written in base 10.at n=56A259386
• Number of distinct sums i^3 + j^3 + k^3 + l^3 for 1<=i<=j<=k<=l<=n.at n=30A374714