A271516 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A271516

Number of nXnXn triangular 0..4 arrays with new values introduced in sequential zero-upwards order and exactly one upright 2x2x2 triangle having values all equal and exactly one upright 2x2x2 triangle having values all different.

0, 0, 12, 3192, 1460310, 1400351232, 2894119482336, 13177722597521472, 135132206434712566080 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	COMMENTS	`Column 4 of A271517.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=4` `.....0........0........0........0........0........0........0........0` `....1.2......0.1......0.1......0.0......1.0......0.0......1.2......1.0` `...0.0.0....0.0.1....1.0.1....1.1.1....0.0.1....1.1.0....1.2.3....2.0.1` `..2.0.0.2..0.2.1.2..0.0.0.2..2.3.1.3..2.1.1.1..2.2.0.2..1.2.3.3..2.0.0.1`
	CROSSREFS	`Cf. A271517.` `Sequence in context: A268008 A222922 A268048 * A012603 A012737 A077299` `Adjacent sequences: A271513 A271514 A271515 * A271517 A271518 A271519`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Apr 09 2016`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 06:07 EDT 2023. Contains 361577 sequences. (Running on oeis4.)