id:A154079 - OEIS Search Results

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Number of planar triangular n X n X n nonnegative integer grids symmetric both under 120 degree rotation and reflection with every similarly oriented 4 X 4 X 4 subtriangle summing to 10.

+0
1

6, 23, 8, 23, 7, 21, 5, 14, 5, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4, 10, 4, 13, 4 (list; graph; listen)

	OFFSET	`4,1`
	COMMENT	`Pattern 10 4 13 4 starts at n=13 and continues through at least n=60.`
	EXAMPLE	`Maximal zeros solution for n=13` `..............4` `.............0.0` `............0.2.0` `...........0.2.2.0` `..........4.0.0.0.4` `.........0.0.2.2.0.0` `........0.2.0.2.0.2.0` `.......0.2.2.0.0.2.2.0` `......4.0.0.0.4.0.0.0.4` `.....0.0.2.2.0.0.2.2.0.0` `....0.2.0.2.0.2.0.2.0.2.0` `...0.2.2.0.0.2.2.0.0.2.2.0` `..4.0.0.0.4.0.0.0.4.0.0.0.4`
	CROSSREFS	`Sequence in context: A121796 A051224 A062818 this_sequence A012327 A012523 A154817` `Adjacent sequences: A154076 A154077 A154078 this_sequence A154080 A154081 A154082`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jan 04 2009`

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.

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