-2284

Appears in sequences

• Expansion of 1/q(x) where q(x) = x^11*p(x+1/x) and p(x)= -2 -167*x +1694*x^2 -6069*x^3 +11210*x^4 -12297*x^5 +8554*x^6 -3875*x^7 +1140*x^8 -210*x^9 +22*x^10 - x^11.at n=3A143479
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A202874; by antidiagonals.at n=30A202875
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 203", based on the 5-celled von Neumann neighborhood.at n=29A270728
• Expansion of Product_{k>=1} 1/(1 - x^k/(1 + x)).at n=21A307626
• a(n) = A019565(1+n) - A019565(A001065(n)), where A019565 is the base-2 exp-function, and A001065 is the sum of proper divisors of n.at n=31A379496