54132

Appears in sequences

• Number of necklaces with 6 black beads and n-6 white beads.at n=30A032191
• a(n) = (2*n^3 - n^2 - n + 2)/2.at n=38A081441
• 75-gonal numbers: a(n) = n*(73*n-71)/2.at n=39A098230
• Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=57A104972
• Number of necklaces with n white beads and n^2-n black beads.at n=6A261496
• Number of necklaces with n white beads and 5*n black beads.at n=6A261499
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 833", based on the 5-celled von Neumann neighborhood.at n=37A273677
• Array read by antidiagonals: T(n,k) is the number of nonequivalent dissections of a polygon into n k-gons by nonintersecting diagonals rooted at a cell up to rotation (k >= 3).at n=51A295222