A185500 - OEIS

A185500

Number of (n+1)X4 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

163, 4451, 41643, 511253, 5616321, 64545575, 727129819, 8283584625, 93761899297, 1065767584217, 12080527740895, 137188686654855, 1555953195033973, 17662716526799485, 200379471621898891, 2274227720558492871

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A185504

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X4

..1..0..1..0....0..1..2..0....0..1..1..1....0..1..2..2....0..0..0..2

..1..1..2..1....2..2..2..1....1..1..0..0....2..2..2..1....2..2..0..0

..0..1..2..1....2..2..2..2....1..1..0..0....2..2..2..1....2..2..1..2