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A160729
First differences of A160728.
1
6, 6, 12, 24, 24, 24, 24, 24, 48, 96, 96, 48, 24, 24, 48
OFFSET
1,1
COMMENTS
Also, 6 times A160409.
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.]
FORMULA
a(n) = A160409(n)*6.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Omar E. Pol, Jul 28 2009
STATUS
approved