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A183005
Number of toothpicks added at n-th stage to the toothpick structure of A183004.
1
0, 1, 4, 6, 8, 8, 16, 22, 16, 8, 16, 24, 24, 32, 56, 62, 32, 8, 16, 24, 24, 32, 56, 64, 40, 32, 56, 72, 80, 120, 176, 158, 64, 8, 16, 24, 24, 32, 56, 64, 40, 32, 56, 72, 80, 120, 176
OFFSET
0,3
COMMENTS
Essentially the first differences of A183004.
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.]
EXAMPLE
If written as a triangle begins:
0,
1,
4,
6,8,
8,16,22,16,
8,16,24,24,32,56,62,32,
8,16,24,24,32,56,64,40,32,56,72,80,120,176,158,64,
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Mar 27 2011
STATUS
approved