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A234127 Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1 1
12457, 484731, 19007583, 753253097, 29939517797, 1191882104721, 47493714739641, 1893857438251263, 75563062469539403, 3016375900398947031, 120461028024895476887, 4812488258562982818841, 192324808079833297779041 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A234131
LINKS
FORMULA
Empirical recurrence of order 78 (see link above)
EXAMPLE
Some solutions for n=1
..3..3..3..4..4....4..4..3..3..4....3..2..2..2..2....6..5..5..4..4
..4..3..4..3..4....3..3..3..3..4....2..3..3..3..3....6..5..5..5..5
CROSSREFS
Sequence in context: A252613 A221016 A237901 * A272132 A206664 A033669
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved

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Last modified September 24 17:02 EDT 2023. Contains 365579 sequences. (Running on oeis4.)