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A233977 Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13 1
50680, 453988, 4097024, 44228076, 495606992, 6350866260, 83799022884, 1214582838052, 17693256523624, 274694461515620, 4204974056669288, 67479875037957020, 1056731351332106140, 17215641342339155708 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A233980
LINKS
EXAMPLE
Some solutions for n=1
..2..3..0..2..0....5..5..3..2..3....4..6..2..0..3....6..2..3..6..5
..0..4..4..1..4....1..4..1..5..1....3..2..3..4..2....5..6..2..2..6
CROSSREFS
Sequence in context: A183824 A013877 A241537 * A282336 A043672 A185379
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2013
STATUS
approved

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)