67329domain: NAppears in sequencesNumber of factorable subsets of a 1 X n uniform grid.at n=20A057765G.f.: exp( Sum_{n>=1} A322203(n)*x^n/n ), where A322203(n) is the coefficient of x^n*y^n/n in Sum_{n>=1} -log(1 - (x^n + y^n)).at n=11A322204