A222385 Sum of neighbor maps: number of nX6 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nX6 array.
64, 3968, 262144, 16776896, 1073741712, 68719469568, 4398044807168, 281474968175508, 18014398509481984, 1152921504606846976, 73786976290732196864, 4722366482869645213696, 302231454903657058795520
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0..1..0..1....0..0..0..1..1..1....0..0..0..1..0..1....0..0..0..1..1..1 ..0..1..1..1..1..0....0..0..1..0..0..1....0..0..0..0..0..0....0..0..1..0..0..1 ..1..1..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..1....0..0..0..0..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments