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A276297 Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2. 1
16, 324, 2765, 33461, 408105, 4988145, 61239977, 752660245, 9254592049, 113817204341, 1399867249821, 17217717400933, 211770912156897, 2604690694931325, 32036472371696501, 394032445053865405 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A276299.
LINKS
FORMULA
Empirical recurrence of order 70 (see link above)
EXAMPLE
Some solutions for n=4
..0..1..2..0..2..1. .0..1..2..0..2..0. .0..1..0..1..0..1. .0..1..0..2..0..2
..0..1..2..1..2..1. .2..1..2..0..1..2. .0..1..0..1..2..0. .0..2..0..1..0..2
..0..1..2..0..2..1. .0..1..2..0..1..0. .2..1..0..1..2..1. .0..2..0..2..0..1
..0..1..2..1..2..0. .2..1..2..0..1..0. .2..1..2..1..0..1. .0..2..1..2..0..2
CROSSREFS
Cf. A276299.
Sequence in context: A159536 A274893 A275135 * A229456 A246876 A176128
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 28 2016
STATUS
approved

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Last modified May 19 13:16 EDT 2024. Contains 372694 sequences. (Running on oeis4.)