A222162 - OEIS

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A222162

Number of (n+4)X1 arrays of occupancy after each element moves up to +-4 places but not 0 and without 2-loops

81, 329, 1216, 4499, 16750, 62531, 231973, 855590, 3147832, 11573804, 42548081, 156375085, 574525894, 2110266004, 7749866077, 28458386767, 104495519709 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 4 of A222165`
	LINKS	`Table of n, a(n) for n=1..17.`
	EXAMPLE	`Some solutions for n=3` `..0....1....2....1....0....0....2....1....1....1....1....0....0....0....0....2` `..0....0....1....1....3....2....0....0....0....1....0....3....3....1....0....0` `..3....1....1....2....0....2....0....0....0....3....4....0....1....0....2....3` `..1....1....0....0....2....0....2....3....1....0....1....2....2....0....0....1` `..2....1....2....0....1....2....3....2....4....0....0....2....0....2....4....0` `..0....3....0....3....0....0....0....0....1....2....0....0....1....1....0....1` `..1....0....1....0....1....1....0....1....0....0....1....0....0....3....1....0`
	CROSSREFS	`Sequence in context: A236821 A237511 A237504 * A237481 A237474 A237868` `Adjacent sequences: A222159 A222160 A222161 * A222163 A222164 A222165`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Feb 10 2013`
	STATUS	`approved`

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Last modified March 28 00:02 EDT 2023. Contains 361575 sequences. (Running on oeis4.)