16777264

Appears in sequences

• Number of 2 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1).at n=24A100314
• Duplicate of A100314.at n=24A131831
• a(n) = 4^n + 4*n.at n=12A221906