A240246 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 or the sum of the elements antidiagonally to its northeast, modulo 4

32, 40, 162, 536, 2152, 8564, 29708, 111370, 400694, 1443716, 5245262, 18986530, 68603920, 248537998, 898915650, 3253662010, 11773735742, 42605917762, 154179401186, 557950544122, 2019019152744, 7306419602546, 26439895111414

Offset

1,1

Comments

Column 4 of A240250

Links

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

Example

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

Crossrefs

Sequence in context: A217060 A326112 A363530 * A167309 A159007 A114042

Adjacent sequences: A240243 A240244 A240245 * A240247 A240248 A240249

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved