A233945 Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4

5874, 180972, 5601514, 176523392, 5575336614, 176443282254, 5586328225626, 176913068237196, 5603035961686288, 177460847788244822, 5620646148479558100, 178021391899030038958, 5638438079563147913958, 178585324902769571980418

Offset

1,1

Comments

Column 4 of A233949

Links

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

R. H. Hardin, Empirical recurrence of order 70

Formula

Empirical recurrence of order 70 (see link above)

Example

Some solutions for n=2
..0..1..2..2..2....2..0..2..0..0....0..2..0..2..0....1..2..2..2..2
..1..0..1..0..2....1..0..2..0..2....0..2..1..2..0....0..2..0..0..0
..0..1..0..1..1....1..2..2..0..1....0..2..0..2..1....1..1..1..2..0

Crossrefs

Sequence in context: A333232 A053340 A291597 * A264216 A061735 A251469

Adjacent sequences: A233942 A233943 A233944 * A233946 A233947 A233948

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved