A234455 Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).

192960, 6049248, 207310120, 7432565004, 272404175456, 10112283614188, 377695247179700, 14168309891795076, 532341726397811068, 20038937366037061360, 754496816963042860868, 28439800055132805462404

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..98

Example

Some solutions for n=1:
  3 3 5 5 5      3 0 4 2 3      4 3 3 2 5      4 0 4 1 1
  1 0 1 0 1      2 0 5 2 2      3 3 4 2 4      3 0 3 1 0

Crossrefs

Column 4 of A234458.

Sequence in context: A253373 A204228 A270971 * A187676 A187674 A252950

Adjacent sequences: A234452 A234453 A234454 * A234456 A234457 A234458

Keyword

nonn

Author

R. H. Hardin, Dec 26 2013

Status

approved