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A160728
Toothpick cube: a(n) = A160408(n)*6.
1
0, 6, 12, 24, 48, 72, 96, 120, 144, 192, 288, 384, 432, 456, 480, 528
OFFSET
0,2
COMMENTS
Also, 6 times the toothpick pyramid A160408.
The sequence gives the number of toothpicks after n rounds. A160729 (the first differences) gives the number added at the n-th round.
See also the entry A139250 for more information about the toothpick sequences.
LINKS
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
CROSSREFS
Toothpick triangle: A160406. Toothpick pyramid: A160408.
Sequence in context: A330997 A331200 A212116 * A332043 A362487 A229926
KEYWORD
more,nonn
AUTHOR
Omar E. Pol, Jun 06 2009
STATUS
approved