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A274957 Number of nX6 0..2 arrays with no element equal to any value at offset (-1,-1) (-2,0) or (0,-2) and new values introduced in order 0..2. 1
24, 648, 6936, 87780, 1119744, 14362920, 183551766, 2348053596, 30087735576, 385522530402, 4938288770400, 63258857161326, 810399782288934, 10381856146131732, 132997595413557654, 1703779141582413888 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A274959.
LINKS
FORMULA
Empirical recurrence of order 81 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..1..1..2..0. .0..0..1..1..0..2. .0..1..2..0..0..2. .0..1..1..0..2..2
..0..1..1..0..0..1. .0..2..1..0..2..2. .2..2..0..1..2..2. .2..1..0..2..2..1
..2..1..0..2..1..1. .2..1..0..2..2..0. .2..0..1..1..2..0. .1..0..2..2..0..1
..1..0..2..2..1..0. .1..0..2..2..0..1. .1..1..2..2..0..0. .0..0..1..1..0..2
CROSSREFS
Cf. A274959.
Sequence in context: A208441 A231449 A276246 * A288816 A268473 A367331
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 12 2016
STATUS
approved

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Last modified July 22 13:14 EDT 2024. Contains 374499 sequences. (Running on oeis4.)