id:A154048 - 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 5.

+0
1

2, 6, 3, 5, 1, 6, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1, 2, 1, 4, 1 (list; graph; listen)

	OFFSET	`4,1`
	COMMENT	`Pattern 1 4 1 2 starts at n=10 and continues through at least n=60.`
	EXAMPLE	`Maximal zeros solution for n=10` `...........1` `..........1.1` `.........0.0.0` `........0.1.1.0` `.......1.0.1.0.1` `......1.1.0.0.1.1` `.....0.0.0.2.0.0.0` `....0.1.1.0.0.1.1.0` `...1.0.1.0.1.0.1.0.1` `..1.1.0.0.1.1.0.0.1.1`
	CROSSREFS	`Sequence in context: A163892 A130108 A026203 this_sequence A084355 A093650 A064433` `Adjacent sequences: A154045 A154046 A154047 this_sequence A154049 A154050 A154051`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jan 04 2009`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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