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A154080 Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 5 X 5 X 5 subtriangle summing to 10. 0
0, 245, 1203, 0, 951, 3738, 0, 915, 4936, 0, 319, 1222 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,2

LINKS

Table of n, a(n) for n=5..16.

CROSSREFS

Sequence in context: A236887 A237161 A056264 * A259511 A023097 A098195

Adjacent sequences:  A154077 A154078 A154079 * A154081 A154082 A154083

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 04 2009

STATUS

approved

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Last modified September 23 08:18 EDT 2020. Contains 337295 sequences. (Running on oeis4.)