A203360 Number of nX6 binary arrays with every 1 immediately preceded by 0 to the left or above

13, 547, 16538, 547897, 17631496, 572818585, 18550312526, 601393482628, 19489674499639, 631692508651393, 20473304776032755, 663554579452002670, 21506172950462296264, 697028243024982135832, 22591098951348605776520

Offset

1,1

Comments

Column 6 of A203362

Links

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

Formula

Empirical: a(n) = 13*a(n-1) +510*a(n-2) +3549*a(n-3) +10014*a(n-4) +3375*a(n-5) -26874*a(n-6) -1779*a(n-7) +87219*a(n-8) -58872*a(n-9) -14769*a(n-10) +7653*a(n-11) +130*a(n-12) -433*a(n-13) +39*a(n-14)

Example

Some solutions for n=3
..0..0..1..0..1..0....0..0..0..0..0..1....0..1..0..0..1..0....0..0..0..0..0..0
..0..0..0..0..0..0....1..0..1..0..0..0....1..0..0..0..0..0....1..1..0..0..0..1
..1..0..1..1..0..0....0..0..0..0..1..1....0..0..1..1..0..0....0..0..1..0..0..1

Crossrefs

Sequence in context: A308865 A143601 A282837 * A265503 A050286 A096761

Adjacent sequences: A203357 A203358 A203359 * A203361 A203362 A203363

Keyword

nonn

Author

R. H. Hardin Dec 31 2011

Status

approved