A235846 Number of (n+1)X(4+1) 0..3 arrays with the upper median unequal to the lower median in every 2X2 subblock.

166816, 30740652, 5778908484, 1099656771452, 209981690279512, 40159317967439332, 7684432523183644616, 1470718428676030266088, 281500422010747661364252, 53881713776407301732286136

Offset

1,1

Comments

Column 4 of A235849

Links

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

Example

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

Crossrefs

Sequence in context: A376670 A250931 A319295 * A187170 A047829 A236494

Adjacent sequences: A235843 A235844 A235845 * A235847 A235848 A235849

Keyword

nonn

Author

R. H. Hardin, Jan 16 2014

Status

approved