A236706 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock

442, 3492, 27406, 216340, 1707838, 13499232, 106577620, 841345444, 6643410412, 52475002544, 414383554326, 3271979406302, 25837791686030, 204047195631886, 1611325095378288, 12724017986201892, 100478744257085102

Offset

1,1

Comments

Column 2 of A236710

Links

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

R. H. Hardin, Empirical recurrence of order 59

Formula

Empirical recurrence of order 59 (see link above)

Example

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

Crossrefs

Sequence in context: A031720 A069106 A094410 * A105922 A250086 A018237

Adjacent sequences: A236703 A236704 A236705 * A236707 A236708 A236709

Keyword

nonn

Author

R. H. Hardin, Jan 30 2014

Status

approved