67552

Appears in sequences

• Number of (n+4)X7 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock.at n=8A186603
• Column 0 of square array A211970 (in which column 1 is A000041).at n=34A211971
• The second Zagreb index of the Aztec diamond AZ(n) (see the Ramanes et al. reference, Theorem 2.2).at n=31A292345