A302002 Number of 5Xn 0..1 arrays with every element equal to 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

0, 34, 48, 200, 2856, 14016, 122232, 813704, 6066698, 43025282, 311301306, 2237774274, 16116010598, 116014746014, 835190383512, 6012793756932, 43286754359604, 311629669798802, 2243474218816140, 16151152920460132

Offset

1,2

Comments

Row 5 of A301999.

Links

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

Example

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

Crossrefs

Cf. A301999.

Sequence in context: A043930 A260277 A045256 * A370657 A260475 A107355

Adjacent sequences: A301999 A302000 A302001 * A302003 A302004 A302005

Keyword

nonn

Author

R. H. Hardin, Mar 30 2018

Status

approved