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A173464
When regarded as a triangle, the rows of A162797 converge to this sequence.
1
1, 5, 5, 17, 5, 17, 21, 49, 5, 17, 21, 49, 21, 53, 81, 129, 5, 17, 21, 49, 21, 53, 81, 129, 21, 53, 81, 133, 81, 165, 289, 321
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.]
EXAMPLE
From Omar E. Pol, Apr 01 2011: (Start)
If written as a triangle begins:
1,
5,
5,17,
5,17,21,49,
5,17,21,49,21,53,81,129,
5,17,21,49,21,53,81,129,21,53,81,133,81,165,289,321,
...
It appears that the final terms of rows give A000337.
It appears that row sums give A010036.
(End)
CROSSREFS
Cf. A010036, A162793, A162794. - Omar E. Pol, Apr 01 2011
Sequence in context: A154232 A194615 A195465 * A072272 A273502 A273606
KEYWORD
nonn,more
AUTHOR
Omar E. Pol, Feb 22 2010
EXTENSIONS
More terms a(20)-a(32) from Omar E. Pol, Apr 01 2011
STATUS
approved