240128

Appears in sequences

• tan(sec(x)*arcsinh(x))=x+4/3!*x^3+80/5!*x^5+3176/7!*x^7+240128/9!*x^9...at n=4A012824
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 35.at n=13A031713
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 406", based on the 5-celled von Neumann neighborhood.at n=17A288045