A241310 Number of 5Xn 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 zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.
57, 16, 304, 1145, 6718, 49918, 283985, 1666242, 9581018, 58628966, 324057071, 1715902217, 10434282663, 59683589128, 312272985439, 1891207127431, 10449777035931, 58705938827485, 346683382415999, 1902526607149734
Offset: 1
Keywords
Examples
Some solutions for n=3 ..3..2..3....3..2..3....3..2..2....2..3..3....2..3..2....3..2..3....2..3..2 ..3..1..1....1..0..3....3..1..1....2..1..1....2..3..2....1..2..1....2..3..2 ..1..2..2....2..0..1....1..2..1....3..0..2....3..1..2....3..0..2....3..1..2 ..1..3..2....1..0..2....2..0..3....3..0..1....2..1..1....3..0..2....2..1..2 ..3..0..2....3..0..1....3..1..2....1..0..2....1..0..2....1..0..2....1..0..3
Links
- R. H. Hardin, Table of n, a(n) for n = 1..24
Comments