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A234448 Number of (n+1) X (5+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings). 1
428800, 15269704, 588663528, 23647980136, 963859893408, 39720806964788, 1639385463803776, 67993371547921628, 2815853396337809696, 117034724272880522212, 4853112656114544908560, 201930635008621124994776 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..63

EXAMPLE

Some solutions for n=1:

  0 3 0 2 4 4    0 3 4 2 1 2    1 0 1 4 4 2    1 3 3 0 4 4

  0 4 0 1 2 3    1 3 3 2 2 2    0 0 2 4 3 2    0 3 2 0 3 2

CROSSREFS

Column 5 of A234450.

Sequence in context: A234737 A206082 A209794 * A269798 A251639 A051595

Adjacent sequences:  A234445 A234446 A234447 * A234449 A234450 A234451

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 2013

STATUS

approved

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Last modified August 12 10:16 EDT 2022. Contains 356069 sequences. (Running on oeis4.)