145137domain: NAppears in sequencesExpansion of Sum_{i>=0} q^i*theta_3^i.at n=17A032803Number of (2+1) X (n+1) 0..1 arrays with no 2 X 2 subblock having x11-x00 less than x10-x01.at n=10A251269Number of set partitions of [n] into subsets whose element sums are distinct squares.at n=18A278339