
0, 4, 8, 16, 24, 32, 40, 56, 72, 80, 88, 104, 120, 136, 152, 184, 216, 224, 232, 248, 264, 280, 296, 328, 360, 376, 392, 424, 456, 488, 520, 584, 648, 656, 664, 680, 696, 712, 728, 760, 792, 808, 824, 856, 888, 920, 952, 1016, 1080, 1096, 1112, 1144, 1176, 1208, 1240
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OFFSET

0,2


LINKS

Table of n, a(n) for n=0..54.
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n1)1) for n >= 2.]
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS


CROSSREFS

Cf. A139250, A151566, A160720, A160722, A160736, A160738, A160740, A160742, A160744.
Sequence in context: A347931 A333168 A306219 * A160740 A270345 A335668
Adjacent sequences: A160743 A160744 A160745 * A160747 A160748 A160749


KEYWORD

nonn


AUTHOR

Omar E. Pol, May 25 2009


EXTENSIONS

More terms from N. J. A. Sloane, May 25 2009


STATUS

approved

