A236040 Number of (n+1)X(4+1) 0..3 arrays colored with the difference of the upper median and the lower median in each 2X2 subblock

218568, 12435076, 674450852, 38512116748, 2269448820024, 132756133588092, 7731013027050748, 450965491862822024, 26330983920126345760, 1537037930666413965508, 89707456853270973776008

Offset

1,1

Comments

Column 4 of A236041

Links

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

Example

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

Crossrefs

Sequence in context: A205907 A157377 A090873 * A251480 A072189 A187865

Adjacent sequences: A236037 A236038 A236039 * A236041 A236042 A236043

Keyword

nonn

Author

R. H. Hardin, Jan 18 2014

Status

approved