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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. 0
 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; text; internal format)
 OFFSET 3,1 LINKS 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: A158627 A267567 A267557 * A236350 A027816 A027823 Adjacent sequences:  A154053 A154054 A154055 * A154057 A154058 A154059 KEYWORD nonn AUTHOR R. H. Hardin Jan 04 2009 STATUS approved

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Last modified August 13 14:01 EDT 2022. Contains 356091 sequences. (Running on oeis4.)