82467domain: NAppears in sequencesa(1)=10; if n = Product p_i^e_i, n > 1, then a(n) = Product p_{i+1}^e_i * Product p_{i+3}^e_i.at n=27A045973Number of square (0,1)-matrices without zero rows and with exactly n entries equal to 1.at n=6A122400a(n) = 7*binomial(6*n + 7, n)/(6*n + 7).at n=5A233743