53317085domain: NAppears in sequencesExpansion of (1-x)/(1-x-2*x^2+x^3).at n=32A052547Number of Catalan paths (nonnegative, starting and ending at 0, step +/-1) of 2*n steps with all values <= 5.at n=17A080937Number of walks of length n on P_3 plus a loop at the end.at n=34A096976