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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

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

R. H. Hardin, Empirical recurrence of order 78

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

Adjacent sequences: A234124 A234125 A234126 * A234128 A234129 A234130

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2013

STATUS

approved

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Last modified March 31 18:33 EDT 2023. Contains 361672 sequences. (Running on oeis4.)