A237918 - OEIS

A237918

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

63476, 1282504, 27873820, 636891488, 14163256928, 319272033708, 7170378195892, 161382511774196, 3629106051378200, 81717484559463064, 1838421822041726832, 41385101785859636936, 931379102458488697656, 20967387870826434629524

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A237921

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..100

EXAMPLE

Some solutions for n=1

..3..1..3..1..2....0..1..1..2..2....3..1..1..0..0....1..2..1..2..1

..2..1..1..2..2....2..0..2..1..2....1..2..0..3..0....3..1..0..0..1

CROSSREFS