
1, 7, 13, 43, 49, 79, 109, 259, 265, 295, 325, 475, 505, 655, 805, 1555, 1561, 1591, 1621, 1771, 1801, 1951, 2101, 2851, 2881, 3031, 3181, 3931, 4081, 4831, 5581, 9331, 9337, 9367, 9397, 9547, 9577, 9727, 9877, 10627, 10657, 10807, 10957, 11707, 11857, 12607
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OFFSET

1,2


COMMENTS

Total number of ON cells after nth generation of cellular automaton based on Z^3 lattice in the same way that A147562 is based on the Z^2 lattice. Here each cell has six neighbors.


LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS


PROG

(PARI) a(n)=sum(k=1, n, 6*5^(hammingweight(k1)1)\1) \\ Charles R Greathouse IV, Sep 14 2015


CROSSREFS

Cf. A147562, A151779, A151790, A151792, A151793.
Sequence in context: A241718 A259184 A259186 * A224502 A047977 A139403
Adjacent sequences: A151778 A151779 A151780 * A151782 A151783 A151784


KEYWORD

nonn,look


AUTHOR

N. J. A. Sloane, Jun 25 2009


STATUS

approved

