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A153473
1/10 of the number of 10-colorings of a planar n X n X n triangular grid.
1
1, 72, 36864, 134221824, 3475323150336, 639909625024217088, 837902493778820578541568, 7802247352741440019609885212672, 516651074772841413937762497933280542720, 243291172226183994424302405726749174968092721152
OFFSET
1,2
CROSSREFS
10th row of A182797/10.
Sequence in context: A223124 A062076 A284866 * A193624 A292198 A177326
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 27 2008
EXTENSIONS
a(7)-a(10) from Alois P. Heinz, Dec 03 2010
STATUS
approved