-8484domain: ZAppears in sequencesExpansion of tanh(tan(x)*sinh(x))/2.at n=4A024268Difference between the number of primes with n digits (A006879) and the difference of consecutive integers nearest to Li(10^n) - Li(2) (see A228067).at n=10A228068Expansion of 1/(1 + x*Product_{k>=1} 1/(1 - x^k)).at n=39A318581