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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: A349468 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 November 30 23:40 EST 2023. Contains 367464 sequences. (Running on oeis4.)