1249354

Appears in sequences

• Number of n X n 0..1 arrays with exactly floor(n X n/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.at n=5A222282
• Number of nX6 0..1 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.at n=5A222288
• Number of steps J. H. Conway's Fractran program needs to calculate the n-th prime.at n=24A267572