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A192410 Number of nXnXn triangular binary arrays with every 1 adjacent to at most 1 other 1 1
2, 7, 29, 233, 2633, 47964, 1366601, 60548441, 4211296215, 457475364179, 77746107574743, 20666091342409561, 8591093418358446624, 5585965082182153010189, 5680505056847709316390907 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for 6X6X6

.......0............0............1............1............1............0

......0.1..........0.0..........0.1..........1.0..........0.0..........0.0

.....1.0.1........0.1.0........0.0.0........0.0.0........0.1.1........0.0.1

....0.1.0.0......0.1.0.1......0.0.0.0......0.0.0.1......1.0.0.0......0.1.0.0

...1.0.0.0.1....1.0.0.0.1....0.0.0.1.1....0.1.0.0.0....0.0.0.0.1....0.0.1.0.1

..1.0.0.0.1.0..0.0.0.0.0.0..1.0.0.0.0.0..0.1.0.1.0.0..0.0.1.1.0.0..1.1.0.0.0.0

CROSSREFS

Sequence in context: A185310 A143883 A003437 * A270518 A094475 A093034

Adjacent sequences:  A192407 A192408 A192409 * A192411 A192412 A192413

KEYWORD

nonn

AUTHOR

R. H. Hardin Jun 30 2011

STATUS

approved

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Last modified June 17 00:17 EDT 2021. Contains 345080 sequences. (Running on oeis4.)