532070400

Appears in sequences

• Expansion of e.g.f.: exp(tanh(x)+tan(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+64/5!*x^5...at n=13A013133
• sin(tanh(x)+tan(x))=2*x-8/3!*x^3+64/5!*x^5-2816/7!*x^7+80896/9!*x^9...at n=6A013134
• Number of rationals in [0, 1) having at most n preperiodic bits, then at most n periodic bits.at n=13A119921