49491906456
domain: N
Appears in sequences
- Number of city-block distance 1, pressure limit 2 movements in an nX4 array with each element moving exactly one horizontally or vertically, no element acquiring more than two neighbors, and without 2-loops.at n=6A216987
- Number of city-block distance 1, pressure limit 2 movements in an nX7 array with each element moving exactly one horizontally or vertically, no element acquiring more than two neighbors, and without 2-loops.at n=3A216990