191804

Appears in sequences

• Number of binary words of length n that are not "bifix-free".at n=18A094536
• A094536/2.at n=19A094537
• Number of (n+2) X (5+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8.at n=6A252050
• Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8.at n=4A252052
• Number of partitions of [2n] having exactly n blocks with all elements of the same parity.at n=6A363435