305269domain: NAppears in sequencesExpansion of (7 +4*x -5*x^2 -7*x^3) / ((1-x)*(1-x^2-x^3)).at n=38A103485Expansion of (1 + x) * Product_{k>=1} 1/(1 - x^k)^k.at n=22A309267Index of first occurrence of -n in A000319, or -1 if -n never appears there.at n=48A381231