833432

Appears in sequences

• a(n) = 991*n^2 + 1.at n=29A237991
• Array read by antidiagonals: T(n,k) = number of n X k lonesum decomposable (0,1) matrices.at n=60A299906
• Number of decomposable lonesum n X n (0,1) matrices.at n=5A299907