-2824

Appears in sequences

• Negative integers n such that in balanced ternary representation the number of occurrences of each trit doubles when n is squared.at n=4A257868
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 185", based on the 5-celled von Neumann neighborhood.at n=35A270637
• Expansion of Product_{k>=1} 1 / (1 + x^k - x^(2*k)).at n=17A276527
• Expansion of Sum_{k>=1} x^k/(1 + x^k)^4.at n=25A320901
• a(n) = coefficient of x^n*y^n in Product_{n>=1} (1 - (x^n + y^n)).at n=74A322213