login
A231320
Number of (n+1)X(4+1) 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order
1
1536, 192192, 30645600, 4509951264, 677392128096, 101255199764448, 15154743446853216, 2267704492520687136, 339353240593608062304, 50782606894918838006496, 7599400278857398619862624
OFFSET
1,1
COMMENTS
Column 4 of A231324
FORMULA
Empirical recurrence of order 81 (see link above)
EXAMPLE
Some solutions for n=2
..0..1..2..0..1....0..0..0..1..0....0..1..0..2..0....0..0..0..0..1
..0..1..2..2..0....2..1..0..2..1....0..2..2..1..0....1..2..2..0..0
..2..0..2..2..0....0..2..1..2..0....1..1..2..0..0....1..0..0..1..2
CROSSREFS
Sequence in context: A170793 A224068 A223245 * A223377 A282543 A202166
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 07 2013
STATUS
approved