id:A154034 - OEIS Search Results

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Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 3 X 3 X 3 subtriangle summing to 3.

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56, 164, 248, 207, 155, 94, 34, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28 (list; graph; listen)

	OFFSET	`3,1`
	COMMENT	`Value 28 starts at n=10 and continues through at least n=60.`
	EXAMPLE	`Maximal zeros solution for n=10` `...........0` `..........0.2` `.........1.0.0` `........1.0.1.0` `.......0.0.1.1.0` `......0.2.0.0.0.2` `.....1.0.0.1.1.0.0` `....1.0.1.0.1.0.1.0` `...0.0.1.1.0.0.1.1.0` `..0.2.0.0.0.2.0.0.0.2`
	CROSSREFS	`Sequence in context: A038850 A044388 A044769 this_sequence A115620 A136547 A158481` `Adjacent sequences: A154031 A154032 A154033 this_sequence A154035 A154036 A154037`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jan 04 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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