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A233724
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T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26 (26 maximizes T(1,1))
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7
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280, 1820, 1820, 11016, 13588, 11016, 68828, 101644, 101644, 68828, 423220, 820524, 998048, 820524, 423220, 2624872, 6622988, 10950676, 10950676, 6622988, 2624872, 16201200, 54865696, 122218188, 170070448, 122218188, 54865696, 16201200
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OFFSET
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1,1
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COMMENTS
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Table starts
........280.........1820..........11016...........68828...........423220
.......1820........13588.........101644..........820524..........6622988
......11016.......101644.........998048........10950676........122218188
......68828.......820524.......10950676.......170070448.......2734167036
.....423220......6622988......122218188......2734167036......64803794224
....2624872.....54865696.....1417835712.....46522687660....1650535163756
...16201200....453172200....16483703564....796715658452...42662876957452
..100277820...3781440536...194721929436..13995270446204.1138753868813024
..619644916..31469076952..2296636990520.245408211398092
.3832773404.263046916084.27285817326088
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..84
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FORMULA
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Empirical for column k:
k=1: [linear recurrence of order 16]
k=2: [order 90]
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EXAMPLE
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Some solutions for n=2 k=4
..6..6..6..5..2....0..0..0..0..0....2..5..2..2..4....2..0..4..1..1
..2..3..2..2..4....4..1..4..1..4....6..6..6..5..7....0..3..4..5..2
..2..6..6..5..2....2..4..6..4..6....2..5..2..2..5....2..0..4..1..2
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CROSSREFS
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Sequence in context: A234911 A234905 A187178 * A233718 A272982 A234458
Adjacent sequences: A233721 A233722 A233723 * A233725 A233726 A233727
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin, Dec 15 2013
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STATUS
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approved
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