A234545 Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

7056, 39188, 217304, 1207448, 6716768, 37416120, 208681224, 1165446648, 6516597192, 36485687312, 204519881000, 1147919287576, 6450460720072, 36293012495432, 204433220949360, 1152984059654840, 6510049369565848

Offset

1,1

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

Column 3 of A234549.

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