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A234121
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1
1
313537, 93113761, 26937444801, 7888454356625, 2315408571668225, 680845368964238145, 200376051988817866625, 58999673293833047076529, 17376516489941449765539393, 5118401705337856988983612385
OFFSET
1,1
COMMENTS
Column 7 of A234122
FORMULA
Empirical recurrence of order 62 (see link above)
EXAMPLE
Some solutions for n=1
..1..1..0..1..1..2..1..1....1..0..0..1..1..1..1..0....0..0..0..0..0..0..1..0
..0..1..1..1..2..1..2..1....0..1..1..1..2..1..1..0....0..1..1..0..1..1..1..1
CROSSREFS
Sequence in context: A210296 A214244 A102499 * A250152 A104826 A291599
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved