A237155 Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock equal.

912848, 367558796, 122764464080, 46125739204336, 17061532793217332, 6399495495536326520, 2398218580217967150868, 900276780894997367776564, 337969231782493957282033632, 126904133080043026712912666124

Offset

1,1

Comments

Column 5 of A237158

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A251908 A186608 A236617 * A112688 A273356 A253991

Adjacent sequences: A237152 A237153 A237154 * A237156 A237157 A237158

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved