A295376 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.

13, 120, 1067, 9507, 85310, 761795, 6819658, 60996884, 545729054, 4882126696, 43677489614, 390749347628, 3495770832651, 31274176146411, 279788295651612, 2503069579137149, 22393213414231715, 200336400920779459

Offset

1,1

Comments

Column 5 of A295379.

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=5
..0..0..1..0..0. .0..0..1..0..0. .1..0..0..1..0. .1..1..1..0..0
..0..0..0..0..1. .0..1..0..0..1. .0..0..0..0..0. .1..0..1..0..1
..1..1..0..0..0. .1..0..1..0..0. .1..0..0..1..1. .1..0..1..1..0
..1..1..0..0..0. .0..1..0..0..0. .0..0..0..1..1. .1..0..0..1..0
..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .1..1..1..1..0

Crossrefs

Cf. A295379.

Sequence in context: A159969 A253512 A295048 * A188709 A054962 A297394

Adjacent sequences: A295373 A295374 A295375 * A295377 A295378 A295379

Keyword

nonn

Author

R. H. Hardin, Nov 21 2017

Status

approved