159106domain: NAppears in sequencesa(n) = T(0,n)+T(1,n-1)+...+T(n,0), array T given by A048505.at n=11A048514First differences of A073708.at n=36A073709First differences of A073708.at n=37A073709Expansion of 1/(1 - x) * Product_{k>=0} 1/(1 - x^(2^k))^(2^(k+1)).at n=18A321335