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A271433 Number of nXnXn triangular 0..2 arrays with new values introduced in sequential zero-upwards order and exactly one 2x2x2 triangle having values all equal and exactly one 2x2x2 triangle having values all different. 0
0, 0, 12, 864, 41328, 2009952, 116220672, 8608449792, 850781715456, 114969127987200, 21579927922212864, 5686939126548676608, 2120212910213354962944 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 2 of A271437.

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=4

.....0........0........0........0........0........0........0........0

....1.0......1.0......1.1......1.0......0.1......0.0......1.0......1.2

...1.1.1....1.1.0....1.0.2....1.0.1....0.0.2....1.2.2....2.1.0....1.1.2

..1.2.0.1..1.0.1.2..0.0.0.0..2.0.1.1..0.2.0.2..1.2.0.2..0.0.0.0..1.2.2.0

CROSSREFS

Cf. A271437.

Sequence in context: A207817 A203410 A275568 * A140412 A276013 A116225

Adjacent sequences:  A271430 A271431 A271432 * A271434 A271435 A271436

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 07 2016

STATUS

approved

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Last modified August 14 04:13 EDT 2020. Contains 336477 sequences. (Running on oeis4.)