A237923 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

1632, 15260, 142488, 1365710, 13009850, 123407764, 1173616996, 11179776830, 106365553324, 1011373253330, 9621735679054, 91557973350390, 871035775278764, 8285866329864686, 78828780864018398, 749973614481378428

Offset

1,1

Comments

Column 2 of A237927

Links

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

R. H. Hardin, Empirical recurrence of order 93

Formula

Empirical recurrence of order 93 (see link above)

Example

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

Crossrefs

Sequence in context: A202985 A063891 A254849 * A297659 A219007 A072409

Adjacent sequences: A237920 A237921 A237922 * A237924 A237925 A237926

Keyword

nonn

Author

R. H. Hardin, Feb 15 2014

Status

approved