507909

Appears in sequences

• a(n) = 2^(n-1)*(5*n-8) + 5.at n=14A048498
• Number of nX3 0..3 arrays with exactly floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.at n=7A222271
• T(n,k) = Number of n X k 0..3 arrays with exactly floor(n X k/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.at n=47A222275