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A154049 Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 5. 0
2002, 12641, 36620, 59041, 74474, 98432, 43074, 22005, 15011, 19336, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176, 14149, 19306, 14149, 14176 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

COMMENTS

Pattern 14149 14176 14149 19306 starts at n=14 and continues through at least n=50.

LINKS

Table of n, a(n) for n=4..39.

EXAMPLE

Maximal zeros solution for n=14

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

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

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

............2.1.0.2

...........0.0.0.2.0

..........0.1.1.0.0.0

.........0.0.1.0.1.0.0

........2.1.0.0.1.1.0.2

.......0.0.0.2.0.0.0.2.0

......0.1.1.0.0.1.1.0.0.0

.....0.0.1.0.1.0.1.0.1.0.0

....2.1.0.0.1.1.0.0.1.1.0.2

...0.0.0.2.0.0.0.2.0.0.0.2.0

..0.2.0.0.0.2.0.0.0.2.0.0.0.1

CROSSREFS

Sequence in context: A162239 A104400 A250880 * A339803 A108116 A140920

Adjacent sequences:  A154046 A154047 A154048 * A154050 A154051 A154052

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 04 2009

STATUS

approved

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Last modified January 18 03:02 EST 2022. Contains 350410 sequences. (Running on oeis4.)