A302283 Number of 6 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

0, 162, 942, 941, 3854, 15862, 72083, 229708, 713848, 2948380, 12041624, 42878033, 150037123, 568430873, 2213341390, 8198208076, 29843299672, 111484320586, 422946390276, 1581927104188, 5856632633328, 21841388005545, 82061911191197

Offset

1,2

Comments

Row 6 of A302278.

Links

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

Example

Some solutions for n=5:
  0 1 0 1 0     0 1 1 1 0     0 1 1 1 0     0 0 1 1 1
  0 0 1 0 0     1 0 0 0 1     1 0 0 0 1     1 0 1 0 1
  1 1 0 1 1     1 0 1 0 1     0 1 0 1 0     1 1 0 0 1
  0 0 0 0 0     0 1 1 1 1     0 1 0 1 0     1 0 0 1 1
  1 1 0 1 1     1 1 0 1 0     0 0 1 0 1     1 0 1 0 1
  1 0 0 0 1     1 0 1 0 1     1 1 0 1 0     1 1 1 0 0

Crossrefs

Cf. A302278.

Sequence in context: A206210 A378654 A044985 * A186844 A319915 A302731

Adjacent sequences: A302280 A302281 A302282 * A302284 A302285 A302286

Keyword

nonn

Author

R. H. Hardin, Apr 04 2018

Status

approved