A297805 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.

1, 14, 533, 2936, 23781, 320168, 4340367, 46828204, 531988739, 6428177030, 77067241642, 902041302792, 10619747871090, 125974447710657, 1491769553672883, 17617404647236968, 208221597373256228

Offset

1,2

Comments

Row 5 of A297802.

Links

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

Example

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

Crossrefs

Cf. A297802.

Sequence in context: A233014 A209096 A159645 * A326331 A210029 A292966

Adjacent sequences: A297802 A297803 A297804 * A297806 A297807 A297808

Keyword

nonn

Author

R. H. Hardin, Jan 06 2018

Status

approved