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A183780

Half the number of (n+1) X 8 binary arrays with no 2 X 2 subblock having exactly 2 ones.

128, 1425, 24001, 344483, 5431499, 82573675, 1284649009, 19815396763, 307446383061, 4760294305144, 73819487702999, 1144141214145647, 17740853191335851, 275047069987337151, 4264758060628986689, 66124561853525742255, 1025294637680919057503, 15897467940072515650611

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

OFFSET

0,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, order 72.

EXAMPLE

Some solutions with a(1,1)=0 for 3 X 8:

..0..0..0..0..0..1..1..1....0..1..1..1..1..1..0..1....0..0..1..0..0..1..1..1

..0..0..0..0..0..0..1..1....0..0..1..0..1..1..1..1....0..0..0..0..1..1..0..1

..0..1..0..1..0..1..1..1....1..0..0..0..0..1..1..0....1..0..0..0..0..1..1..1

CROSSREFS