313920domain: NAppears in sequencesSecond partial sums of A001891.at n=18A053809Array read by antidiagonals of higher order Fubini numbers.at n=50A153278Expansion of e.g.f. 1/(2 - exp(exp(exp(exp(exp(x) - 1) - 1) - 1) - 1)).at n=6A363009