104651419domain: NAppears in sequencesPartition numbers (A000041) that are semiprimes (A001358).at n=12A065728Partition numbers of the form 3*k+1.at n=28A087184Number of partitions of T where T=(7*n + 1) if n is even and T=((7*n + 1)/2) if n is odd.at n=27A111515