153384

Appears in sequences

• Tanh(tan(x)+log(x+1)) = 2*x - 1/2!*x^2 - 12/3!*x^3 + 42/4!*x^4 + 172/5!*x^5 - ...at n=8A012931
• Least k such that prime(k) + prime(k+1) contains n prime divisors (with multiplicity), otherwise 0.at n=18A251600