516844071813
domain: N
Appears in sequences
- Number of n X n binary matrices containing no more than two 1's in any 2 X 2 subblock.at n=7A140314
- Number of n X n binary matrices, symmetric under horizontal and vertical reflection, with no more than 2 ones in any 2 X 2 subblock.at n=13A141504
- Number of (n+1)X7 binary arrays with no 2X2 subblock containing fewer than two 1s.at n=5A184204