A216790
Number of 4-colorings of a side-n hexagonal array with colors introduced in row major order.
Original entry on oeis.org
1, 11, 5318, 22831676, 915294166360, 348567447145791344
Offset: 1
Some solutions for n=3
......0.1.2..........0.1.2..........0.1.2..........0.1.2..........0.1.2
.....1.3.0.1........1.2.0.3........3.2.3.0........3.2.0.1........3.2.3.0
....3.2.1.2.0......0.3.1.2.1......2.0.1.2.1......2.0.3.2.3......2.1.0.2.1
.....0.3.0.3........1.0.3.0........3.2.0.3........1.2.0.1........0.2.1.3
......2.1.2..........3.1.2..........0.3.2..........0.1.3..........1.3.0
A216791
Number of 5-colorings of a side-n hexagonal array with colors introduced in row major order.
Original entry on oeis.org
1, 31, 2976610, 39123956055580, 69275022816331822721697
Offset: 1
Some solutions for n=3
......0.1.2..........0.1.2..........0.1.2..........0.1.0..........0.1.0
.....1.2.3.1........2.3.0.1........3.2.0.1........1.2.3.1........1.2.3.1
....0.3.0.2.0......3.0.2.3.0......2.1.3.2.0......2.3.0.2.3......2.3.0.2.3
.....1.2.1.3........1.3.0.1........3.0.1.3........1.2.3.0........1.2.3.1
......0.3.2..........2.1.2..........1.2.0..........3.1.2..........3.0.2
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