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A170895
First differences of A170894.
1
0, 1, 1, 2, 3, 3, 3, 6, 8, 6, 4
OFFSET
0,4
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: A289559 A070167 A168113 * A141479 A055081 A275379
KEYWORD
nonn,more
AUTHOR
Omar E. Pol, Jan 09 2010
STATUS
approved