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A301406
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
64, 8192, 975492, 117605364, 14160945920, 1705287652128, 205353183605152, 24728921469216800, 2977891883234338384, 358601972693344501136, 43183359211755735932560, 5200201490023385537322336
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A301407.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 45
FORMULA
Empirical recurrence of order 45 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..0. .0..0..0..0..1..0..0. .0..0..0..0..0..0..1
..0..0..1..0..1..0..0. .0..0..1..0..1..0..0. .0..0..1..0..1..1..0
..0..0..0..0..0..1..0. .0..0..0..0..1..1..1. .0..0..0..0..0..0..1
..0..0..1..0..0..1..0. .0..0..1..1..0..1..0. .0..0..1..1..1..0..1
..0..0..0..1..1..1..1. .0..0..0..0..1..0..0. .0..0..0..0..1..0..1
CROSSREFS
Cf. A301407.
Sequence in context: A299653 A300207 A303420 * A303426 A317516 A300181
Adjacent sequences: A301403 A301404 A301405 * A301407 A301408 A301409
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 20 2018
STATUS
approved

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Last modified October 21 12:07 EDT 2024. Contains 376980 sequences.
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