A153473 1/10 of the number of 10-colorings of a planar n X n X n triangular grid.

1, 72, 36864, 134221824, 3475323150336, 639909625024217088, 837902493778820578541568, 7802247352741440019609885212672, 516651074772841413937762497933280542720, 243291172226183994424302405726749174968092721152

Offset: 1

Author

R. H. Hardin, Dec 27 2008

Keywords

• nonn

Crossrefs

10th row of A182797/10.

Extensions

a(7)-a(10) from Alois P. Heinz, Dec 03 2010