Packings

Uλ(2, k, n, g). Further, 1. if λ(n−1)g ≡ 0 (mod k−1) and λn(n−1)g2 ≡ −1 (mod k), thenDλ(2, k, n, g) ≤ Uλ(2, k, n, g)− 1;

2. if (n − 1)g ≡ 0 (mod k − 1) and n(n − 1)g2 6≡ 0 (mod k), then D(2, k, n, g) ≤ U1(2, k, n, g)− 1.