login
A237246
Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
1
28176, 477144, 8433384, 163330432, 2917434432, 51846897952, 936224849104, 18672666559360, 339066019397152, 6092798602997504, 111770577368471328, 2280258602003570688, 41947564959167642688, 759810246767623997952
OFFSET
1,1
COMMENTS
Column 5 of A237249
LINKS
FORMULA
Empirical: a(n) = 601964*a(n-4) -147113300164*a(n-8) +18655117037895360*a(n-12) -1293038821096525341376*a(n-16) +46410219023590225771445760*a(n-20) -674073521525048603011166105600*a(n-24) +411303559317872351216848896000*a(n-28) +21059951299587196983422156800000*a(n-32) +20445970197492715314216960000000*a(n-36) for n>41
EXAMPLE
Some solutions for n=1
..1..2..2..1..2..2....0..1..1..2..0..1....1..1..1..2..0..1....2..0..0..1..1..0
..1..2..1..0..0..2....1..1..1..1..1..1....2..0..1..2..1..0....0..2..1..2..1..2
CROSSREFS
Sequence in context: A253746 A253753 A203832 * A281577 A134123 A234087
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 05 2014
STATUS
approved