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A154036 Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 5 X 5 X 5 subtriangle summing to 3. +0
1
680, 2194, 3418, 3544, 3331, 2988, 2519, 1173, 1157, 1155, 1155, 1539, 1155, 1155, 1155, 1155, 1539, 1155, 1155, 1155, 1155, 1539, 1155, 1155, 1155, 1155, 1539, 1155, 1155, 1155, 1155, 1539, 1155, 1155, 1155, 1155, 1539, 1155, 1155, 1155, 1155, 1539 (list; graph; listen)
OFFSET

5,1

COMMENT

Pattern 1155 1155 1539 1155 1155 starts at n=14 and continues through at least n=53.

EXAMPLE

Maximal zeros solution for n=14

...............0

..............0.0

.............0.0.0

............0.0.1.0

...........0.1.0.0.1

..........1.0.0.0.0.0

.........0.0.0.0.1.0.0

........0.0.0.1.0.0.0.0

.......0.0.1.0.0.0.0.1.0

......0.1.0.0.0.0.1.0.0.1

.....1.0.0.0.0.1.0.0.0.0.0

....0.0.0.0.1.0.0.0.0.1.0.0

...0.0.0.1.0.0.0.0.1.0.0.0.0

..0.0.0.0.1.0.0.0.0.1.0.0.0.0

CROSSREFS

Sequence in context: A046514 A164650 A097772 this_sequence A118509 A043691 A043577

Adjacent sequences: A154033 A154034 A154035 this_sequence A154037 A154038 A154039

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Jan 04 2009

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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