A237145 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock equal

8128, 197724, 4365504, 111073520, 2747051348, 70822934950, 1807884334024, 46865387548176, 1210191327968658, 31449920757454210, 815990979515922042, 21230439990149924342, 551985885204085586852, 14369480675245313960450

Offset

1,1

Comments

Column 3 of A237150

Links

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

Example

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

Crossrefs

Sequence in context: A151946 A229381 A147633 * A205211 A206219 A231862

Adjacent sequences: A237142 A237143 A237144 * A237146 A237147 A237148

Keyword

nonn

Author

R. H. Hardin, Feb 04 2014

Status

approved