A237949 Number of (n+1) X (4+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

50268, 945688, 17612024, 386513430, 7955118248, 171966060604, 3650074854108, 80156219654316, 1707964148016404, 36925068554778528, 793835282719330844, 17305654560457523958, 371564547082692396516, 8024430424508906885568

Offset

1,1

Comments

Column 4 of A237951.

Links

R. H. Hardin, Table of n, a(n) for n = 1..50

Example

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

Crossrefs

Cf. A237951.

Sequence in context: A268279 A202490 A105001 * A251466 A267252 A166760

Adjacent sequences: A237946 A237947 A237948 * A237950 A237951 A237952

Keyword

nonn

Author

R. H. Hardin, Feb 16 2014

Status

approved