A300878 Number of n X 5 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

16, 138, 440, 2264, 12369, 63507, 345713, 1914083, 10597966, 58874490, 327186870, 1818963249, 10117587151, 56278656434, 313061851775, 1741614413775, 9689075422550, 53903314016661, 299883103808476, 1668360213408417

Offset

1,1

Comments

Column 5 of A300881.

Links

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

Example

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

Crossrefs

Cf. A300881.

Sequence in context: A301320 A300495 A300934 * A301488 A232311 A048533

Adjacent sequences: A300875 A300876 A300877 * A300879 A300880 A300881

Keyword

nonn

Author

R. H. Hardin, Mar 14 2018

Status

approved