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A234545 Number of (n+1)X(3+1) 0..5 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant stress 1X1 tilings) 1
7056, 39188, 217304, 1207448, 6716768, 37416120, 208681224, 1165446648, 6516597192, 36485687312, 204519881000, 1147919287576, 6450460720072, 36293012495432, 204433220949360, 1152984059654840, 6510049369565848 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A234549

LINKS

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

R. H. Hardin, Empirical recurrence of order 49

FORMULA

Empirical recurrence of order 49 (see link above)

EXAMPLE

Some solutions for n=2

..2..4..1..2....3..3..3..1....1..5..2..2....0..5..4..3....5..3..0..1

..5..4..4..2....0..3..0..1....3..4..4..1....2..4..0..2....1..2..2..0

..5..1..4..5....2..2..2..0....3..1..4..4....2..1..0..5....1..5..2..3

CROSSREFS

Sequence in context: A116278 A206050 A116332 * A250850 A071131 A238520

Adjacent sequences:  A234542 A234543 A234544 * A234546 A234547 A234548

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 28 2013

STATUS

approved

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Last modified December 9 08:41 EST 2021. Contains 349627 sequences. (Running on oeis4.)