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A162799 a(n) = A160161(n+2)/4. 1
1, 2, 2, 2, 2, 4, 8, 14, 8, 4, 2, 4, 8, 14, 14, 16, 20, 38, 58, 88, 36, 12, 8, 6, 10, 14, 14, 16, 20, 38, 58, 88, 54, 42, 44, 68, 90, 124, 112, 134, 166, 292, 372, 500, 192, 76, 84, 66, 48, 28, 30, 32, 28, 42, 60, 88, 54, 42, 44, 68, 90, 124, 112, 134, 166, 292, 372, 500, 246 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
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) = A162798(n+1)/2.
CROSSREFS
Sequence in context: A064849 A269302 A132189 * A034585 A171869 A147751
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jul 28 2009
STATUS
approved

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Last modified March 1 06:29 EST 2024. Contains 370430 sequences. (Running on oeis4.)