805306370

Appears in sequences

• a(n) = (n-1)*2^n + 2.at n=25A048495
• a(n) = 3*2^n + 2.at n=28A164094
• Number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..2 introduced in row major order.at n=13A205354