A270507 - OEIS

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A270507

Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5+1 exactly once.

0, 63, 15843, 12034134, 32485734273, 332450685760224, 13296639688401609639, 2115028619259161467213251, 1352556634467191218705760776023 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Column 5 of A270509.`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=3` `....2......0......4......3......5......3......3......1......1......0......0` `...1.0....2.3....3.5....5.4....5.3....4.3....2.5....1.2....0.2....5.0....2.0` `..2.4.4..1.4.5..1.5.5..5.2.1..4.5.3..4.4.0..5.4.4..4.3.3..2.5.1..3.3.1..1.4.5`
	CROSSREFS	`Cf. A270509.` `Sequence in context: A183525 A279043 A234629 * A289875 A062208 A132594` `Adjacent sequences: A270504 A270505 A270506 * A270508 A270509 A270510`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Mar 18 2016`
	STATUS	`approved`

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Last modified April 10 10:39 EDT 2021. Contains 342845 sequences. (Running on oeis4.)