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A270578 The number of distinct planes defined by an n X n X n grid of points. 1
20, 491, 7502, 52013, 297464, 1119791, 3900890, 11135201, 29329232 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
EXAMPLE
The 8 points of the 2 X 2 X 2 grid define 20 planes: the 6 faces of the cube, 6 planes formed by an edge and its opposite edge, and 8 planes defined by the three vertices surrounding a given vertex. So, a(2)=20.
CROSSREFS
Sequence in context: A000827 A241261 A118552 * A255492 A092087 A008270
KEYWORD
nonn
AUTHOR
Clive Tooth, Mar 19 2016
STATUS
approved

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)