The On-Line Encyclopedia of Integer Sequences (OEIS)

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A197964

Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,6,1,0,1,0,1 for x=0,1,2,3,4,5,6
(history; published version)

#4 by Russ Cox at Sat Mar 31 12:36:31 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Oct 19 2011

Discussion

Sat Mar 31

12:36

OEIS Server: https://oeis.org/edit/global/875

#3 by Ron Hardin at Wed Oct 19 21:19:23 EDT 2011

STATUS

editing

approved

#2 by Ron Hardin at Wed Oct 19 21:19:20 EDT 2011

NAME

allocated Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,6,1,0,1,0,1 for Ron Hardinx=0,1,2,3,4,5,6

DATA

1, 1, 4, 26, 138, 1523, 26489, 687930, 27990897, 1765820801, 172024403235, 25959739501756

OFFSET

1,3

COMMENTS

Every 0 is next to 0 2's, every 1 is next to 1 6's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 1's

EXAMPLE

Some solutions with all values from 0 to 6 for 7X7X7

........0..............2..............0..............2..............2

.......3.0............1.1............3.0............1.1............1.1

......0.5.0..........1.6.1..........3.0.0..........1.6.1..........1.6.1

.....0.0.0.0........0.1.1.0........0.0.5.0........4.1.1.0........0.1.1.0

....1.1.4.1.1......1.1.4.0.0......1.1.0.1.1......1.1.4.3.0......1.1.4.0.3

...1.6.1.1.6.1....1.6.1.3.5.0....1.6.1.1.6.1....1.6.1.0.5.0....1.6.1.0.5.0

..2.1.1.0.1.1.2..0.1.1.0.0.0.0..0.1.1.4.1.1.2..0.1.1.0.0.0.0..0.1.1.0.0.0.0

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Oct 19 2011

STATUS

approved

editing

#1 by Ron Hardin at Wed Oct 19 21:17:08 EDT 2011

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved