A237934 Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

81402, 2744048, 94068938, 3422869862, 120261272346, 4232660312790, 149839687112404, 5374881900028516, 190148789948171974, 6721705698951447792, 238540040050401540444, 8504061339612849316530, 301419635279288041707710

Offset

1,1

Comments

Column 4 of A237936

Links

R. H. Hardin, Table of n, a(n) for n = 1..57

Example

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

Crossrefs

Sequence in context: A029752 A043608 A249231 * A134122 A138044 A098187

Adjacent sequences: A237931 A237932 A237933 * A237935 A237936 A237937

Keyword

nonn

Author

R. H. Hardin, Feb 16 2014

Status

approved