login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A151728
A151727/4.
5
1, 5, 5, 11, 7, 15, 19, 23, 7, 15, 21, 29, 29, 49, 59, 47, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 163, 95, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 165, 101, 29, 51, 71, 87, 107, 159, 175, 135, 109, 173, 229, 281, 371, 477
OFFSET
0,2
LINKS
David Applegate, The movie version [See A151725, variant]
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
Cf. A151727, A151737, A151747, A170880. Equals 2*A151729 + 1.
Sequence in context: A079305 A247871 A204902 * A130889 A184827 A058610
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 14 2009
STATUS
approved