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A233858 Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 59 1
511232, 4332592, 34000600, 408524804, 4191443728, 63517858688, 748312618740, 13619149631664, 173673064254912, 3575411762062604, 47598390354744388, 1046567820626376496, 14243796254840433180, 322787437029730982764 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A233859

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=1

..4..2..2..6..2..6..2....4..2..2..6..2..6..2....0..5..7..2..5..2..5

..6..1..6..7..4..7..6....7..6..1..4..7..6..7....4..2..3..3..7..3..7

CROSSREFS

Sequence in context: A205291 A205899 A068816 * A306952 A329461 A257424

Adjacent sequences:  A233855 A233856 A233857 * A233859 A233860 A233861

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 16 2013

STATUS

approved

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Last modified July 5 00:40 EDT 2020. Contains 335457 sequences. (Running on oeis4.)