-4219

Appears in sequences

• Numerator of [x^(2n+1)] of the Taylor expansion sin(cosec(x)-coth(x)).at n=2A013537
• Numerator of the coefficient of [x^n] in the Taylor expansion exp(cot(x) - cosech(x)).at n=5A013550
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 505", based on the 5-celled von Neumann neighborhood.at n=39A272584
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 507", based on the 5-celled von Neumann neighborhood.at n=39A272588