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A233653 T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 14 (14 maximizes T(1,1)) 9
144, 772, 772, 3984, 5232, 3984, 20936, 36784, 36784, 20936, 108864, 272564, 364512, 272564, 108864, 570208, 2012472, 3945444, 3945444, 2012472, 570208, 2971200, 15071680, 42895672, 64384744, 42895672, 15071680, 2971200, 15541312, 112180004 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......144.........772..........3984............20936.............108864

.......772........5232.........36784...........272564............2012472

......3984.......36784........364512..........3945444...........42895672

.....20936......272564.......3945444.........64384744.........1066468816

....108864.....2012472......42895672.......1066468816........27145405344

....570208....15071680.....478087900......18298607052.......724755509708

...2971200...112180004....5291663768.....311919115144.....19199171263648

..15541312...840367588...59202020744....5398974995872....519677244552168

..81063040..6267926076..658067704512...92678590515300..13905091332351288

.423704496.46922305260.7360796797308.1605489993650956.377054658397332732

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..112

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 9]

k=2: [order 38]

EXAMPLE

Some solutions for n=2 k=4

..3..2..3..3..4....0..3..5..4..5....0..3..0..3..4....2..3..3..0..1

..3..0..0..1..4....0..2..2..2..5....0..2..2..3..1....0..0..1..0..3

..3..2..3..3..3....0..3..0..3..3....3..3..5..3..4....1..3..3..0..1

CROSSREFS

Sequence in context: A233897 A250428 A033696 * A233646 A268806 A112067

Adjacent sequences:  A233650 A233651 A233652 * A233654 A233655 A233656

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified August 11 00:55 EDT 2022. Contains 356046 sequences. (Running on oeis4.)