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A299802 Number of n X 4 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
8, 29, 44, 174, 1059, 4543, 19006, 90935, 415860, 1821116, 8281563, 37840058, 169690779, 765458993, 3473496708, 15681388496, 70764478960, 320122212475, 1446927261825, 6535284368566, 29537875113555, 133507944740638 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A299806.
LINKS
FORMULA
Empirical recurrence of order 66 (see link above).
EXAMPLE
Some solutions for n=5
..0..1..1..0. .0..1..1..1. .0..0..0..1. .0..1..1..0. .0..1..1..0
..0..0..0..1. .0..0..0..0. .1..1..1..1. .0..0..0..0. .0..0..0..1
..0..0..0..1. .0..0..0..1. .0..1..1..1. .0..0..0..0. .0..0..0..1
..0..0..0..0. .0..0..0..1. .0..1..1..1. .0..0..0..0. .0..0..0..1
..0..1..1..1. .0..1..1..0. .1..0..0..1. .0..1..1..0. .0..1..1..0
CROSSREFS
Cf. A299806.
Sequence in context: A035339 A034167 A299011 * A299678 A300310 A171442
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 19 2018
STATUS
approved

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Last modified July 25 05:51 EDT 2024. Contains 374586 sequences. (Running on oeis4.)