A237006 Number of (n+1)X(7+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal

3518120, 760932408, 158569999540, 52079122983140, 14586236067453980, 4486536180370819012, 1315103087284839785936, 396130483326502441996992, 117485801067262213494961960, 35162370620635662915429252644

Offset

1,1

Comments

Column 7 of A237007

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

Some solutions for n=1
..0..0..1..3..2..1..3..1....0..0..1..2..3..0..1..0....0..0..1..3..2..1..1..0
..2..3..1..0..0..1..0..1....2..2..1..0..0..2..1..2....3..3..2..0..1..2..3..2

Crossrefs

Sequence in context: A258687 A187314 A083624 * A209785 A244620 A347054

Adjacent sequences: A237003 A237004 A237005 * A237007 A237008 A237009

Keyword

nonn

Author

R. H. Hardin, Feb 02 2014

Status

approved