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A233814 Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11 1
8136, 59164, 403108, 3261172, 23737972, 208935048, 1586833704, 15004751648, 117407564852, 1174169462004, 9371501533140, 97560060408400, 788418210069248, 8432280543231988, 68659109718131364, 747287550316440532 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A233818

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A217222 A252144 A201802 * A190835 A013689 A252914

Adjacent sequences:  A233811 A233812 A233813 * A233815 A233816 A233817

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 16 2013

STATUS

approved

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Last modified December 9 08:41 EST 2021. Contains 349627 sequences. (Running on oeis4.)