A183744 Number of (n+1) X 6 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.

76355, 33587307, 19216153673, 12024860660055, 7820319558447329, 5196551724167646157, 3503521879176480796529, 2387191890453669325850511, 1639719557761692128319179255, 1133458224361065253739440418689

Offset

1,1

Comments

Column 5 of A183748.

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

Some solutions for 3 X 6:
..0..0..0..1..2..0....0..0..2..1..0..0....0..0..0..1..2..0....0..0..1..0..2..1
..0..0..1..2..2..0....0..0..2..0..2..2....0..0..2..1..1..1....0..0..1..2..2..0
..0..0..2..0..2..2....0..1..2..1..0..2....0..0..2..0..2..2....0..0..2..1..1..1
...
...M..M..E..P..E.......M..E..P..M..E.......M..M..E..P..E.......M..M..E..P..P...
...M..M..P..P..P.......M..P..P..M..P.......M..E..P..E..P.......M..M..P..P..E...

Crossrefs

Sequence in context: A187424 A186216 A295818 * A236709 A104327 A357608

Adjacent sequences: A183741 A183742 A183743 * A183745 A183746 A183747

Keyword

nonn

Author

R. H. Hardin, Jan 06 2011

Status

approved