login
A241308
Number of 3Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4
1
11, 6, 37, 74, 186, 646, 1278, 3418, 9113, 21457, 60124, 137479, 352570, 903787, 2152775, 5701225, 13891880, 34569079, 88272180, 217502063, 550658503, 1377693048, 3441000964, 8635401747, 21620210682, 54285004854, 135701054466
OFFSET
1,1
COMMENTS
Row 3 of A241306
LINKS
EXAMPLE
Some solutions for n=4
..3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..3....3..2..3..2
..3..0..1..1....1..2..1..1....1..0..3..2....3..0..1..1....3..0..1..1
..2..0..0..1....3..2..3..2....2..0..0..3....2..1..0..2....1..2..0..2
CROSSREFS
Sequence in context: A122088 A304053 A190624 * A356705 A038320 A010185
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved