id:A154055 - OEIS Search Results

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Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 3 X 3 X 3 subtriangle summing to 6.

+0
1

30, 67, 78, 94, 85, 83, 54, 55, 32, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35, 32, 35, 29, 38, 29, 35 (list; graph; listen)

	OFFSET	`3,1`
	COMMENT	`Pattern 35 32 35 29 38 29 starts at n=12 and continues through at least n=60.`
	EXAMPLE	`Maximal zeros solution for n=12` `.............3` `............0.0` `...........0.3.0` `..........3.0.0.3` `.........0.0.3.0.0` `........0.3.0.0.3.0` `.......3.0.0.3.0.0.3` `......0.0.3.0.0.3.0.0` `.....0.3.0.0.3.0.0.3.0` `....3.0.0.3.0.0.3.0.0.3` `...0.0.3.0.0.3.0.0.3.0.0` `..0.3.0.0.3.0.0.3.0.0.3.0`
	CROSSREFS	`Sequence in context: A044132 A044513 A157346 this_sequence A064623 A112343 A164596` `Adjacent sequences: A154052 A154053 A154054 this_sequence A154056 A154057 A154058`
	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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