login
A152973
Records in A152968.
3
1, 2, 4, 6, 8, 14, 16, 18, 20, 30, 44, 46, 56, 70, 104, 128, 130, 148, 182, 244, 336, 352, 354, 372, 478, 608, 824, 1024, 1026, 1048, 1054, 1198, 1564, 2040, 2672, 2976, 2978, 3000, 3150, 3960, 5168, 6752, 8320, 8322, 8344, 8348, 8494, 8550, 9306
OFFSET
1,2
COMMENTS
Excluding the initial 1, this sequence also gives the records in A151688. - Nathaniel Johnston, Apr 10 2011
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
Toothpick structure: A139250.
Cf. A152978.
Sequence in context: A086529 A054409 A344001 * A089747 A274170 A367745
KEYWORD
nonn
AUTHOR
Omar E. Pol, Dec 16 2008
EXTENSIONS
More terms from Omar E. Pol, Dec 20 2008
a(17)-a(49) from Nathaniel Johnston, Apr 10 2011
STATUS
approved