A239422 Number of nX4 0..3 arrays with no element equal to the sum of elements to its left or the sum of elements above it or the sum of the elements diagonally to its northwest, modulo 4

32, 320, 4740, 60626, 811554, 10575232, 145743440, 1928821306, 26684346362, 358305166764, 4952187852212, 67021312062216, 924914248249990, 12574330546236484, 173247780273551176, 2361918979366991628

Offset

1,1

Comments

Column 4 of A239424

Links

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

Example

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

Crossrefs

Sequence in context: A165004 A244867 A173952 * A165008 A095152 A087342

Adjacent sequences: A239419 A239420 A239421 * A239423 A239424 A239425

Keyword

nonn

Author

R. H. Hardin, Mar 17 2014

Status

approved