111592domain: NAppears in sequencesDowling numbers: e.g.f. exp(x + (exp(b*x) - 1)/b), with b=6.at n=6A003578Number of 6-step self-avoiding walks on an n X n square summed over all starting positions.at n=21A188151a(0) = 1; thereafter a(n) = exp(-1/n) * Sum_{k>=0} (n*k + 1)^n / (n^k * k!).at n=6A334162