id:A154073 - 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 4 X 4 X 4 subtriangle summing to 9.

+0
1

252, 2298, 1670, 5721, 2507, 7335, 2348, 4388, 1087, 1406, 468, 952, 386, 767, 373, 848, 373, 812, 373, 848, 373, 734, 370, 848, 373, 734, 373, 848, 373, 734, 373, 848, 370, 734, 373, 848, 373, 812, 373, 848, 373, 734, 370, 848, 373, 734, 373, 848, 373, 734, 373 (list; graph; listen)

	OFFSET	`4,1`
	EXAMPLE	`Maximal zeros solution for n=18` `...................1` `..................0.0` `.................0.4.0` `................2.0.0.2` `...............0.0.3.0.0` `..............2.0.1.1.0.2` `.............0.2.0.2.0.2.0` `............2.2.0.1.1.0.2.2` `...........0.0.1.0.3.0.1.0.0` `..........0.0.3.1.0.0.1.3.0.0` `.........2.2.0.0.0.4.0.0.0.2.2` `........2.0.0.3.1.0.0.1.3.0.0.2` `.......0.2.1.0.1.0.3.0.1.0.1.2.0` `......0.0.1.1.2.0.1.1.0.2.1.1.0.0` `.....0.2.2.0.0.2.0.2.0.2.0.0.2.2.0` `....4.0.0.1.1.2.0.1.1.0.2.1.1.0.0.4` `...0.0.1.2.1.0.1.0.3.0.1.0.1.2.1.0.0` `..0.2.1.1.0.0.3.1.0.0.1.3.0.0.1.1.2.0`
	CROSSREFS	`Adjacent sequences: A154070 A154071 A154072 this_sequence A154074 A154075 A154076` `Sequence in context: A024757 A046379 A154045 this_sequence A166783 A104679 A117281`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Jan 04 2009`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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