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A170894
Similar to A160406, always staying outside the wedge, but starting with a horizontal toothpick whose endpoint touches the vertex of the wedge.
1
0, 1, 2, 4, 7, 10, 13, 19, 27, 33, 37
OFFSET
0,3
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
Sequence in context: A173537 A049983 A168112 * A151986 A287522 A101472
KEYWORD
nonn,more
AUTHOR
Omar E. Pol, Jan 09 2010
STATUS
approved