-265720domain: ZAppears in sequencesa(n) = A023194 - A062700(n). Negative values of A071166(m) = m-A006530(A000203(m)) differences. In these cases m is square number from A023194.at n=28A071167a(n)=4a(n-1)-7a(n-2)+6a(n-3)-3a(n-4), n>4.at n=25A140343a(n)=4a(n-1)-7a(n-2)+6a(n-3)-3a(n-4), n>4.at n=26A140343