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 A197662 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,3,0,1,2,0,2 for x=0,1,2,3,4,5,6 0
 1, 4, 21, 260, 5402, 277217, 26746470, 4529806572, 1752572020493 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Every 0 is next to 0 6's, every 1 is next to 1 3's, every 2 is next to 2 0's, every 3 is next to 3 1's, every 4 is next to 4 2's, every 5 is next to 5 0's, every 6 is next to 6 2's LINKS Table of n, a(n) for n=1..9. EXAMPLE Some solutions with all values 0 to 6 for 8X8X8 .........2................0................0................2 ........0.0..............2.2..............2.2..............0.0 .......2.5.0............0.4.0............0.4.0............2.5.0 ......2.0.0.2..........0.2.2.0..........0.2.2.0..........2.0.0.1 .....0.2.2.4.2........1.2.6.2.2........2.2.6.2.2........0.2.2.1.3 ....2.2.6.2.0.0......3.0.2.2.0.2......2.0.2.2.0.1......0.2.6.2.0.1 ...2.0.2.2.0.1.0....1.1.0.1.0.5.0....0.5.0.2.0.1.3....2.4.2.2.0.1.0 ..0.2.2.0.1.3.1.0..0.0.1.3.1.0.0.0..2.0.0.2.2.0.0.1..0.2.0.0.1.3.1.0 CROSSREFS Sequence in context: A132684 A357857 A032074 * A203218 A198004 A184960 Adjacent sequences: A197659 A197660 A197661 * A197663 A197664 A197665 KEYWORD nonn AUTHOR R. H. Hardin Oct 17 2011 STATUS approved

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Last modified April 21 07:37 EDT 2024. Contains 371850 sequences. (Running on oeis4.)