A241250 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of 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

4, 4, 13, 47, 174, 606, 2111, 6647, 21752, 70595, 229009, 744946, 2418238, 7843143, 25449403, 82556576, 267788667, 868709237, 2817909735, 9140802924, 29651305001, 96183371668, 311999852696, 1012067748968, 3282944840574, 10649213948821

Offset

1,1

Comments

Column 3 of A241255

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A019081 A219454 A059443 * A097335 A255297 A339319

Adjacent sequences: A241247 A241248 A241249 * A241251 A241252 A241253

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved