28595

Appears in sequences

• Octahedral numbers: a(n) = n*(2*n^2 + 1)/3.at n=35A005900
• a(n) = (2*n - 1)*(8*n^2 - 8*n + 3)/3.at n=17A063496
• Triangular array T(n,k) giving number of 3-connected graphs with n labeled nodes and k edges (n >= 4, ceiling(3*n/2) <= k <= n(n-1)/2).at n=12A123542
• Smallest order of the cyclotomic polynomial whose maximal coefficient in absolute value is n.at n=23A136418
• Odd squarefree numbers n such that the cyclotomic polynomial Phi(n,x) is not coefficient convex.at n=10A146960
• a(n) = 841*n + 1.at n=33A158404
• a(n) = 34*n^2 + 1.at n=29A158586
• a(n) is the number of digits in the decimal representation of the smallest power of n that contains nine consecutive identical digits.at n=5A217184
• a(n) is the number of digits in the decimal representation of the smallest power of 7 that contains n consecutive identical digits.at n=8A217189
• 50-gonal numbers: a(n) = 48*n*(n-1)/2 + n.at n=35A261343
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 187", based on the 5-celled von Neumann neighborhood.at n=34A270675
• Number of minimum dominating sets in the n-antiprism graph.at n=42A304568
• Partial sums of the odd triangular numbers (A014493).at n=34A352116