A241430 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

4, 10, 22, 97, 213, 381, 1005, 1900, 4137, 10518, 21092, 47994, 111034, 227786, 526558, 1173266, 2506934, 5760387, 12607288, 27523425, 62352333, 135931174, 300820619, 674058895, 1474383381, 3279987103, 7290574867, 16018404203

Offset

1,1

Comments

Column 3 of A241435

Links

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

Example

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

Crossrefs

Sequence in context: A189589 A025576 A189596 * A023378 A276308 A334260

Adjacent sequences: A241427 A241428 A241429 * A241431 A241432 A241433

Keyword

nonn

Author

R. H. Hardin, Apr 22 2014

Status

approved