-755943domain: ZAppears in sequencesa(n) = coefficient of x^(2n) in the expansion of the modular form Product_{k>=1} (1-x^k)^n.at n=16A262310Bisection of A262310.at n=8A262537Expansion of f(-x)^8 * Q(x) in powers of x where f() is a Ramanujan theta function and Q() is a Ramanujan Lambert series.at n=16A277076