136995domain: NAppears in sequencesNumber of standard Young tableaux with shapes corresponding to partitions into distinct parts with minimal difference 2.at n=15A225121a(n) is the sum of the terms of the symmetric square array defined by M(i,j) = prime(i)+i-j for i >= j and M(i,j) = M(j,i) if i < j.at n=35A308731