201800

Appears in sequences

• Size of the BDD for the hidden weighted bit function, with the variables in their natural ordering.at n=34A136445
• Number of (n+2)X(n+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=20A252711
• Guttmann-Torrie series coefficients c_{n}^{21} for square lattice, with wedge angle Pi/2.at n=16A259803