A183755 Number of (n+1) X 7 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6.

36036868, 341710892328, 4383051446506876, 61479677322733089492, 896829958958890405161724

Offset

1,1

Comments

Column 6 of A183756.

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for 3 X 7:
..0..0..0..2..2..3..3....0..0..0..2..3..1..0....0..0..0..3..3..3..2
..0..0..0..0..3..3..2....0..0..0..0..2..3..3....0..0..0..0..3..2..2
..0..0..0..3..1..2..3....0..0..0..3..3..0..3....0..0..0..3..2..3..3
...
...M..M..M..P..P..P.......M..M..M..P..P..P.......M..M..M..P..P..P...
...M..M..M..P..P..P.......M..M..M..P..P..P.......M..M..M..P..P..P...

Crossrefs

Sequence in context: A037252 A064586 A183593 * A105296 A362964 A254389

Adjacent sequences: A183752 A183753 A183754 * A183756 A183757 A183758

Keyword

nonn

Author

R. H. Hardin, Jan 06 2011

Status

approved