-1733

Appears in sequences

• Numerators of Taylor series for 1/(sin x + tan x).at n=4A008961
• a(n) = -n^2 + 9*n + 53.at n=47A126665
• First differences of A169699.at n=31A169700
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 395", based on the 5-celled von Neumann neighborhood.at n=29A271688
• a(n) = -a(n-1) + 2*a(n-2) + a(n-3), a(0) = -1, a(1) = -2, a(2) = -4.at n=14A321461