A240196 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or three plus the sum of the elements diagonally to its northwest, modulo 4.
10, 154, 2413, 44594, 1005029, 28061567, 865984451, 28244997476, 950400971626, 32552155169398, 1126145490896545, 39177784539954116, 1367229766875959294, 47796738284241424246, 1672533868898522421472, 58557827201940558624795
Offset: 1
Keywords
Examples
Some solutions for n=3 ..2..0..0....2..0..0....2..0..0....2..0..0....2..0..0....2..0..0....2..0..0 ..2..0..0....1..3..2....2..3..0....1..0..2....1..3..2....2..0..0....1..0..2 ..2..0..0....2..1..1....2..3..3....1..2..0....2..1..2....2..3..3....2..3..0 ..1..3..2....1..2..2....1..2..2....2..1..0....1..3..3....1..2..1....1..2..1 ..2..1..1....1..2..1....1..2..1....1..3..2....2..1..1....2..3..0....2..1..2 ..1..3..3....2..3..0....2..1..1....1..2..2....2..3..0....1..3..2....2..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..79
Comments