82060domain: NAppears in sequencesExpansion of 1/(1+2*x^2-x^3).at n=29A077965Number of crossing partitions of {1,2,...,n} that contain singletons.at n=10A247494Expansion of g.f. A(q) satisfying -4 = Product_{n>=0} (1 - 5*q^n*A(q)).at n=5A370444