

A153468


1/5 of the number of 5colorings of a planar n X n X n triangular grid.


1



1, 12, 324, 19764, 2727756, 852196788, 602756140068, 965229960414132, 3499562183624643780, 28727144381588600187612, 533909545388896809071238444, 22466716989986988610061264294004, 2140465899840618529308907998923768676
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