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A302277 Number of n X 7 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
8, 98, 363, 1621, 14125, 72083, 384916, 3027442, 17837758, 105323556, 739401390, 4650704407, 28941532526, 193466816941, 1245437720868, 7947521451749, 52140138010011, 338093540539006, 2181939290185486, 14220546200647229 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A302278.

LINKS

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

EXAMPLE

Some solutions for n=5:

  0 0 1 1 1 0 0     0 0 1 0 0 0 1     0 0 1 0 1 0 0

  1 0 0 0 0 1 1     1 1 0 1 1 1 0     0 1 1 1 0 0 1

  1 1 1 0 1 0 1     1 1 1 1 1 1 1     1 0 1 0 0 1 0

  0 1 1 0 1 1 0     0 0 1 0 0 0 1     1 0 0 0 0 0 1

  0 0 1 0 0 1 1     1 1 0 1 1 1 0     1 1 0 1 1 0 0

CROSSREFS

Cf. A302278.

Sequence in context: A262777 A292747 A083182 * A302727 A116267 A183334

Adjacent sequences:  A302274 A302275 A302276 * A302278 A302279 A302280

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 2018

STATUS

approved

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Last modified August 11 22:58 EDT 2022. Contains 356067 sequences. (Running on oeis4.)