1607095domain: NAppears in sequencesExpansion of Product_{k>=1} 1/(1-x^(2*k-1))^(2*k-1).at n=38A262811Expansion of Product_{k>=1} 1/(1+x^(2*k-1))^(2*k-1).at n=38A284628Numbers k such that k and k + 1 has the same value of A319445, the equivalent of the Euler totient function in the ring of Eisenstein integers.at n=21A332530