A154056 - OEIS

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A154056

Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 3 X 3 X 3 subtriangle summing to 6.

462, 3027, 9998, 20114, 39391, 39343, 30768, 18131, 8308, 5783, 7858, 5661, 6349, 7852, 5661, 5661, 8702, 5661, 5661, 7852, 6349, 5661, 7852, 5661, 6349, 7852, 5661, 5661, 8702, 5661, 5661, 7852, 6349, 5661, 7852, 5661, 6349, 7852, 5661, 5661, 8702 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,1`
	EXAMPLE	`Maximal zeros solution for n=14` `...............0` `..............0.0` `.............0.3.3` `............3.0.0.0` `...........0.0.3.0.0` `..........0.3.0.0.3.3` `.........3.0.0.3.0.0.0` `........0.0.3.0.0.3.0.0` `.......0.3.0.0.3.0.0.3.3` `......3.0.0.3.0.0.3.0.0.0` `.....0.0.3.0.0.3.0.0.3.0.0` `....0.3.0.0.3.0.0.3.0.0.3.3` `...3.0.0.3.0.0.3.0.0.3.0.0.0` `..0.0.3.0.0.3.0.0.3.0.0.3.0.0`
	CROSSREFS	`Sequence in context: A108749 A202642 A158627 * A027816 A027823 A194718` `Adjacent sequences: A154053 A154054 A154055 * A154057 A154058 A154059`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Jan 04 2009`

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Last modified February 14 03:37 EST 2012. Contains 205570 sequences.