A195954 - OEIS

A195954

Number of nXnXn 0..6 triangular arrays with each element equal to the number of its neighbors unequal to itself

1, 4, 4, 6, 13, 14, 38, 37, 108, 563, 3086, 5837

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OFFSET

1,2

LINKS

EXAMPLE

Some solutions for n=10

...........2....................2....................2

..........3.4..................3.3..................3.3

.........3.6.2................4.6.2................4.6.2

........2.2.2.2..............2.2.2.2..............2.2.2.2

.......4.2.2.6.3............3.2.2.5.4............3.2.2.5.3

......3.5.2.4.4.3..........3.6.2.5.6.2..........3.5.2.5.4.3

.....3.5.2.2.4.6.2........2.2.2.2.2.2.2........2.5.2.2.4.4.2

....2.2.2.2.2.2.2.2......3.2.2.5.2.2.5.4......2.2.2.2.2.2.2.2

...3.2.2.5.5.2.2.6.4....3.6.2.5.6.2.5.6.3....3.6.2.5.5.2.2.6.4

..2.3.2.3.3.4.2.3.3.2..2.4.2.2.4.2.2.4.3.2..2.3.2.2.3.3.2.3.3.2

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved