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A161429
a(n) =
A161430
(n)/3.
0
0, 3, 11, 19, 41, 49
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..5.
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.]
N. J. A. Sloane,
Catalog of Toothpick and Cellular Automata Sequences in the OEIS
CROSSREFS
Cf.
A139250
,
A160120
,
A161430
,
A161431
,
A161432
,
A161433
.
Sequence in context:
A138725
A138726
A219527
*
A079544
A192717
A163183
Adjacent sequences:
A161426
A161427
A161428
*
A161430
A161431
A161432
KEYWORD
nonn
AUTHOR
Omar E. Pol
, Jun 17 2009
STATUS
approved
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Last modified September 13 17:58 EDT 2024. Contains 375910 sequences. (Running on oeis4.)