-1639

Appears in sequences

• Numerators of coefficients in Taylor series for exp(cos(x)-1).at n=5A047689
• a(n) = -2*a(n-1) + 3*a(n-2), with a(0)=1, a(1)=2.at n=8A084222
• Row sums of a number triangle related to the Pell numbers.at n=40A110331
• Logarithmic derivative of the q-exponential of x, E_q(x,q), evaluated at q=-x.at n=25A198262
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 97", based on the 5-celled von Neumann neighborhood.at n=23A270155
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 389", based on the 5-celled von Neumann neighborhood.at n=23A271597
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 401", based on the 5-celled von Neumann neighborhood.at n=21A271806