194251

Appears in sequences

• Let R be the polynomial ring GF(2)[x]. Then a(n) = number of distinct products f*g with f,g in R and 0 <= deg(f),deg(g) <= n.at n=8A086908
• Number of (6+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.at n=19A252390