A183752 Number of (n+1) X 4 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6.

8816, 1739668, 347812760, 81384279968, 18645030828304, 4383051446506876, 1039820013995845308, 249468030327963675992, 60284881031996261628804, 14656474574666222646137456, 3580354699727481436393292312

Offset

1,1

Comments

Column 3 of A183756.

Links

R. H. Hardin, Table of n, a(n) for n = 1..61

Example

Some solutions for 3 X 4:
..0..0..3..3....3..0..1..0....3..0..1..3....0..0..3..3....1..0..2..2
..1..0..2..0....3..0..3..3....3..0..1..2....0..0..3..3....0..0..2..2
..3..3..3..0....1..0..3..1....1..2..1..3....1..2..1..0....0..2..3..3
...
...M..M..P.......E..M..P.......E..M..P.......M..E..P.......M..M..P...
...P..P..M.......M..E..P.......E..M..P.......M..E..P.......M..P..P...

Crossrefs

Sequence in context: A206213 A270609 A230335 * A109027 A237761 A186582

Adjacent sequences: A183749 A183750 A183751 * A183753 A183754 A183755

Keyword

nonn

Author

R. H. Hardin, Jan 06 2011

Status

approved