

A160428


Number of ON cells at nth stage of threedimensional version of the cellular automaton A160410, using cubes.


6



0, 8, 64, 120, 512, 568, 960, 1352, 4096, 4152, 4544, 4936, 7680, 8072, 10816, 13560, 32768, 32824, 33216, 33608, 36352, 36744, 39488, 42232, 61440, 61832, 64576, 67320, 86528, 89272, 108480, 127688, 262144
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OFFSET

0,2


LINKS

Table of n, a(n) for n=0..32.
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
Index entries for sequences related to cellular automata


FORMULA

a(n) = 8 * Sum_{k=0..n1} 7^A000120(k)
a(n) = 8 + 56 * Sum_{k=1..n1} A151785(k) for n >= 1


CROSSREFS

Cf. A139250, A160119, 160379, A160410, A160429, A161340, A161342.
Sequence in context: A136956 A161146 A208380 * A074102 A118719 A134739
Adjacent sequences: A160425 A160426 A160427 * A160429 A160430 A160431


KEYWORD

nonn


AUTHOR

Omar E. Pol, Jun 01 2009


EXTENSIONS

Formulas and more terms from Nathaniel Johnston, Nov 13 2010


STATUS

approved



