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A103659 (1/6) * most frequently occurring volume assumed by triangular pyramids with their 4 vertices chosen from distinct points of an (n+1)X(n+1)X(n+1) lattice cube. 3
1, 2, 2, 4, 4, 12, 12, 12, 12, 12, 24, 24, 24, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
a(1)=1 because 2*A103660(1)=56 of the 2*A103656(1)=58 triangular pyramids that can be formed from the vertices of a cube have volume=1/6. The other two pyramids have volume=1/3.
CROSSREFS
Cf. A103660 = number of occurrences of the most frequent volume. For more cross-references see A103657.
Sequence in context: A243331 A300218 A138317 * A069947 A051547 A330719
KEYWORD
more,nonn
AUTHOR
Hugo Pfoertner, Feb 19 2005
STATUS
approved

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Last modified August 15 20:00 EDT 2024. Contains 375173 sequences. (Running on oeis4.)