171279257338
domain: N
Appears in sequences
- Number of (n+1)X(4+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.at n=6A231953
- Number of (n+1)X(7+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.at n=3A231956