A236039 Number of (n+1)X(3+1) 0..3 arrays colored with the difference of the upper median and the lower median in each 2X2 subblock

22994, 722548, 21941716, 674450852, 21249328546, 666177945884, 20813642966424, 650407055609728, 20348081454134646, 636390439260580516, 19903702034433079606, 622402548889527677804, 19466736969904144671602

Offset

1,1

Comments

Column 3 of A236041

Links

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

Example

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

Crossrefs

Sequence in context: A254910 A254903 A257205 * A116062 A235778 A235558

Adjacent sequences: A236036 A236037 A236038 * A236040 A236041 A236042

Keyword

nonn

Author

R. H. Hardin, Jan 18 2014

Status

approved