Number of n-colorings of the 4 X 4 X 4 triangular grid.

Terms

a(0) =0a(1) =0a(2) =0a(3) =6a(4) =2112a(5) =98820a(6) =1574400a(7) =13676250a(8) =80631936a(9) =363204072a(10) =1342218240a(11) =4261697550a(12) =12000120000a(13) =30653510316a(14) =72237215232a(15) =159067919010a(16) =330577363200a(17) =653537970000