A298393 - OEIS

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A298393

Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

3, 23, 63, 432, 2231, 13271, 81019, 454822, 2647771, 15705120, 91017707, 531809890, 3122451308, 18251243783, 106758611022, 625185452829, 3659138751517, 21414194993312, 125344300498672, 733690661655699, 4294342754282802

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A298396.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..1..0..0..1. .0..1..0..0..1. .0..1..0..0..1. .0..0..1..1..0

..0..1..1..1..0. .1..0..1..1..1. .0..1..1..1..0. .1..0..1..0..0

..1..1..1..1..1. .0..1..0..1..1. .0..1..1..1..1. .1..1..1..1..1

..1..1..0..0..0. .0..1..1..0..1. .0..1..0..0..0. .0..0..1..1..0

..1..0..1..1..1. .1..1..1..1..1. .1..0..1..1..1. .1..1..0..1..0

CROSSREFS

Cf. A298396.

Sequence in context: A254626 A362540 A262769 * A299511 A299311 A300112

Adjacent sequences: A298390 A298391 A298392 * A298394 A298395 A298396

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2018

STATUS

approved