A236317 Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock

29670, 1362884, 62811760, 2909136874, 135542325383, 6305164652408, 293018180783434, 13617234559065428, 633180140343772892, 29436423957840061304, 1368471958425668595690, 63615573432524812691364

Offset

1,1

Comments

Column 3 of A236319

Links

R. H. Hardin, Table of n, a(n) for n = 1..148

Example

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

Crossrefs

Sequence in context: A234669 A031656 A236734 * A204601 A203502 A228544

Adjacent sequences: A236314 A236315 A236316 * A236318 A236319 A236320

Keyword

nonn

Author

R. H. Hardin, Jan 22 2014

Status

approved