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A235900 Number of (n+1)X(6+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock 1
26189, 482809, 7234417, 124394337, 2053474753, 35883075329, 632701301249, 11571312666753, 216925831550465, 4198207054934401, 83584114997995777, 1712426772179540097, 36001893343301744641, 774894408114891798401 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A235902
LINKS
FORMULA
Empirical: a(n) = 73*a(n-1) -1472*a(n-2) -10728*a(n-3) +630992*a(n-4) -1986032*a(n-5) -104786432*a(n-6) +555443712*a(n-7) +9789898752*a(n-8) -43326369792*a(n-9) -560505618432*a(n-10) +824673042432*a(n-11) +15817211117568*a(n-12) +30963778191360*a(n-13)
EXAMPLE
Some solutions for n=1
..1..2..0..2..1..1..1....2..0..0..0..1..1..1....0..0..0..0..1..1..1
..2..1..1..1..2..2..2....0..2..2..2..1..1..1....1..1..1..1..2..2..0
CROSSREFS
Sequence in context: A235435 A250972 A235096 * A245787 A034622 A004046
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 16 2014
STATUS
approved

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Last modified July 22 20:06 EDT 2024. Contains 374540 sequences. (Running on oeis4.)