A240157 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4

10, 62, 254, 3993, 11742, 88214, 536744, 1652584, 11331387, 57296488, 223202826, 1550772274, 7551863892, 32607176000, 200353447144, 939471999117, 4301332018225, 25319460629707, 117174747947500, 578341876385557

Offset

1,1

Comments

Row 5 of A240153

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=4
..2..2..3..2....2..2..3..3....2..2..3..2....2..2..3..2....2..2..3..3
..0..2..1..2....0..0..2..1....0..2..1..2....0..2..1..2....0..2..1..2
..0..0..3..2....2..0..0..2....0..0..0..3....2..2..3..3....2..2..3..1
..2..2..3..1....2..2..3..2....2..0..2..3....0..2..2..3....0..0..2..2
..0..2..2..2....0..2..0..2....0..2..0..2....2..2..0..2....2..2..0..3

Crossrefs

Sequence in context: A297863 A298130 A106629 * A350644 A196632 A289799

Adjacent sequences: A240154 A240155 A240156 * A240158 A240159 A240160

Keyword

nonn

Author

R. H. Hardin, Apr 02 2014

Status

approved