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A153471 1/8 of the number of 8-colorings of a planar n X n X n triangular grid. 1
1, 42, 9072, 10078992, 57596549472, 1692939438332352, 255948135446478408192, 199034383110302504406200832, 796104049107763839322466439293952, 16378613975511111709055661675911519311872 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
8th row of A182797/8.
Sequence in context: A215837 A211908 A246621 * A006699 A303055 A226262
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 27 2008
EXTENSIONS
a(8)-a(10) from Alois P. Heinz, Dec 03 2010
STATUS
approved

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Last modified August 10 21:39 EDT 2024. Contains 375058 sequences. (Running on oeis4.)