160948

Appears in sequences

• Number of switching networks (see Harrison reference for precise definition).at n=3A000832
• Number of antichains (or order ideals) in the poset B_4 X [n]; or size of the distributive lattice J(B_4 X [n]).at n=3A006363
• Constant term of the reduction by x^2->x+1 of the polynomial p(n,x) defined at Comments.at n=22A192964