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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
1
0, 245, 1203, 0, 951, 3738, 0, 915, 4936, 0, 319, 1222 (list; graph; listen)
OFFSET

5,2

CROSSREFS

Sequence in context: A137521 A132830 A056264 this_sequence A023097 A098195 A067916

Adjacent sequences: A154077 A154078 A154079 this_sequence A154081 A154082 A154083

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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