69078domain: NAppears in sequencesExpansion of Product(1+q^m)^(m(m-1)/2); m=1..inf.at n=19A027999Number of nX3 1..6 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in decreasing order.at n=3A166845