A219440 Unmatched value maps: number of nX7 binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nX7 array.
37, 543, 15255, 326938, 7285283, 160436482, 3553813654, 78682793897, 1739719764661, 38456568548417, 850199779863242, 18798233014587802, 415629248838802678, 9189326940591712179, 203170331059931678345
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0..1..0..1..0....0..0..0..0..1..0..0....1..0..0..0..0..1..1 ..1..0..0..0..0..0..0....0..1..0..0..1..0..0....0..0..0..1..0..1..1 ..1..0..0..0..1..0..1....0..0..0..0..1..0..0....0..1..0..1..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..21
Comments