A237960 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

1422, 10942, 81483, 645156, 5242451, 41361664, 324579268, 2567231540, 20445704700, 161413538260, 1277153952270, 10095026043660, 80119191734632, 632823187624908, 5014971680503924, 39627280740228456, 314267888886806408

Offset

1,1

Comments

Column 3 of A237965

Links

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

R. H. Hardin, Empirical recurrence of order 82

Formula

Empirical recurrence of order 82 (see link above)

Example

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

Crossrefs

Sequence in context: A364125 A293093 A337671 * A023937 A225567 A216444

Adjacent sequences: A237957 A237958 A237959 * A237961 A237962 A237963

Keyword

nonn

Author

R. H. Hardin, Feb 16 2014

Status

approved