-2503

Appears in sequences

• Expansion of e.g.f.: exp(arcsin(arctan(x)))=1+x+1/2!*x^2-3/4!*x^4+4/5!*x^5+69/6!*x^6...at n=8A012087
• cosh(arcsin(arctan(x)))=1+1/2!*x^2-3/4!*x^4+69/6!*x^6-2503/8!*x^8...at n=4A012096
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 339", based on the 5-celled von Neumann neighborhood.at n=27A271292
• Coefficients in expansion of 1/(1 + x - 2*x^5).at n=32A317509