The On-Line Encyclopedia of Integer Sequences® (OEIS®)

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A192499

Half the number of nXnXn triangular binary arrays with every element unequal to at most 3 neighbors
(history; published version)

#5 by Russ Cox at Sat Mar 31 12:36:20 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Jul 02 2011

Discussion
Sat Mar 31	12:36	OEIS Server: https://oeis.org/edit/global/875

#4 by Ron Hardin at Sat Jul 02 20:10:16 EDT 2011

STATUS

proposed

approved

#3 by Ron Hardin at Sat Jul 02 20:10:13 EDT 2011

	NAME	`allocatedHalf the number of nXnXn triangular binary arrays with every element unequal to at formost Ron3 Hardinneighbors`
	DATA	`1, 4, 26, 196, 2092, 28686, 534806, 13182070, 433981798, 19015675154, 1110527815484, 86390598478646, 8953005948663932, 1236137340970342866, 227372493923183802446`
	OFFSET	`1,2`
	EXAMPLE	`Some solutions for 5X5X5 with a(1,1)=0` `......0..........0..........0..........0..........0..........0..........0` `.....1.1........0.0........1.1........0.0........1.1........0.1........1.0` `....1.1.0......1.1.0......1.1.1......1.0.1......0.0.0......1.0.1......1.1.1` `...0.0.0.0....1.1.1.0....0.1.1.1....1.0.0.1....0.0.0.1....1.0.0.0....0.0.1.0` `..0.0.0.0.1..0.0.1.1.1..0.0.0.0.0..0.0.0.1.0..0.1.1.1.0..1.0.0.0.0..0.0.0.1.0`
	KEYWORD	`allocated` `nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Jul 02 2011`
	STATUS	`approved` `proposed`

#2 by Ron Hardin at Sat Jul 02 20:08:32 EDT 2011

KEYWORD

allocating

allocated

#1 by Ron Hardin at Sat Jul 02 20:08:32 EDT 2011

Last modified August 30 17:27 EDT 2024. Contains 375545 sequences. (Running on oeis4.)